80+ SAINI EARTH MOVER (P) Interview Questions and Answers

The inner join of two tables with duplicate values results in a combined set of common values.

• Inner join combines rows from both tables where the key columns match

• In this case, the result would be [1,1,1,1,1,1] as all values are common in both tables

Void claims are claims that are invalid or incomplete, Medicare has different types, denials can be based on various reasons, and OI types refer to other insurance types.

• Void claims are claims that are missing information or are incorrect, leading to rejection by the payer.

• Types of Medicare include Part A (hospital insurance), Part B (medical insurance), Part C (Medicare Advantage), and Part D (prescription drug coverage).

• Types of denials can be based on eligibility, coverage...read more

SQL is a relational database management system, while NoSQL is a non-relational database management system.

• SQL databases are table-based, NoSQL databases are document, key-value, graph, or wide-column stores

• SQL databases use structured query language for defining and manipulating data, NoSQL databases use different query languages

• SQL databases are vertically scalable, NoSQL databases are horizontally scalable

• SQL databases are good for complex queries, NoSQL databases are bett...read more

I would start by breaking down the problem, researching similar problems, seeking help from colleagues, and experimenting with different solutions.

• Break down the problem into smaller components to understand it better

• Research similar problems online or in relevant literature

• Seek help from colleagues or mentors who may have experience with similar problems

• Experiment with different solutions to see what works best

Effective communication is key to dealing with clients on phone calls. It requires active listening, empathy, and clear articulation.

• Listen actively to the client's concerns and needs

• Show empathy and understanding towards their situation

• Use clear and concise language to explain technical solutions

• Avoid technical jargon and use layman's terms

• Confirm understanding by summarizing the conversation and next steps

• Maintain a professional and courteous tone throughout the call

Ectomy is a surgical procedure to remove a part of the body, otomy is a surgical procedure to create an opening in the body, and amputation is the surgical removal of a limb or body part.

• Ectomy involves the removal of a specific part of the body, such as a tonsillectomy (removal of tonsils).

• Otomies involve creating an opening in a specific part of the body, such as a tracheotomy (creation of an opening in the windpipe).

• Amputation is the surgical removal of a limb or body part...read more

Designed and implemented a real-time data pipeline for processing and analyzing user behavior data.

• Used Apache Kafka for real-time data streaming

• Utilized Apache Spark for data processing and analysis

• Implemented data transformations and aggregations using Scala

• Stored processed data in a data warehouse like Amazon Redshift

• Built monitoring and alerting systems to ensure data pipeline reliability

I expect a salary increase of 10% from my current CTC.

• I have researched the market rates for Claims Associates and based on my experience and skills, I believe a 10% increase is reasonable.

• I have consistently performed well in my current role and have received positive feedback from my superiors, which justifies the salary increase.

• I am confident that my skills and expertise will contribute significantly to the company's success, making me deserving of a higher compensation.

• I...read more

NoSQL is better for handling unstructured data, providing scalability and flexibility.

• NoSQL databases are better suited for handling unstructured data like social media posts, user-generated content, and IoT data.

• NoSQL databases provide better scalability as they can easily distribute data across multiple servers, allowing for horizontal scaling.

• NoSQL databases offer more flexibility in terms of data model, allowing for schema-less design and easier adaptation to changing dat...read more

Autoimmune disorders occur when the immune system mistakenly attacks healthy cells in the body.

• Autoimmune disorders result from a malfunction of the immune system.

• Examples include rheumatoid arthritis, lupus, and type 1 diabetes.

• Treatment often involves managing symptoms and suppressing the immune response.

Factors that could make me leave Optum Solutions include lack of career growth opportunities, toxic work environment, and better job offers.

• Lack of career growth opportunities

• Toxic work environment

• Better job offers

To swap 2 adjacent elements of a linked list, update the pointers accordingly.

• Create a temporary pointer to store the address of the next node of the first element

• Update the next pointer of the first element to point to the node after the next node

• Update the next pointer of the temporary pointer to point to the first element

• Update the next pointer of the node before the first element to point to the temporary pointer

To check if a string is palindrome or not.

• Compare the first and last characters of the string and continue towards the middle until all characters have been compared.

• If all characters match, the string is a palindrome.

• If any characters do not match, the string is not a palindrome.

To find length, frequency of each character and list of unique characters of a string.

• Iterate through the string and count the frequency of each character using a hash table.

• Create a list of unique characters by iterating through the hash table.

• Calculate the length of the string using the built-in length function.

• Return the frequency, length and list of unique characters as an array of strings.

Different types of joins include inner join, left join, right join, and full outer join.

• Inner join returns only the matching records from both tables.

• Left join returns all records from the left table and the matching records from the right table.

• Right join returns all records from the right table and the matching records from the left table.

• Full outer join returns all records when there is a match in either left or right table.

To troubleshoot issues and provide solutions, one must identify the problem, gather information, analyze data, and implement a solution.

• Identify the problem by asking questions and gathering information from the user

• Analyze data by reviewing logs, error messages, and system configurations

• Implement a solution by testing and verifying the fix with the user

• Document the solution for future reference

• Provide excellent customer service throughout the process

Transactions in a library system create normalized tables for efficient data storage and retrieval.

• Transactions involve multiple operations that need to be recorded in a structured manner.

• Normalized tables help in reducing data redundancy and improving data integrity.

• Example: Creating separate tables for books, authors, and transactions in a library system.

Yes, I have experience with data visualisation tools such as Tableau and Power BI.

• Proficient in using Tableau for creating interactive dashboards and visualizations

• Experience with Power BI for data analysis and reporting

• Familiar with data visualization best practices and techniques

Where, Drop, Delete, Truncate are SQL commands used for manipulating data in a database.

• WHERE is used to filter data based on a condition

• DROP is used to delete an entire table or database

• DELETE is used to remove specific rows from a table

• TRUNCATE is used to remove all rows from a table

• All these commands are used to manipulate data in a database

Working timing is typically 40 hours per week with cab facility and insurance benefits.

• The standard working hours for medical coders is 40 hours per week.

• Many companies offer cab facilities for their employees to commute to work.

• Medical coders are eligible for insurance benefits such as health, dental, and vision.

• Some companies may offer flexible working hours or work from home options.

• Overtime may be required during peak periods or to meet deadlines.

The Fibonacci program generates the Fibonacci sequence. Quick sort has a complexity of O(n log n).

• The Fibonacci program can be implemented using recursion or iteration.

• Quick sort has an average and best case complexity of O(n log n), but worst case complexity of O(n^2).

• I would prefer quick sort for its efficiency in most cases.

Arthroscopy is a minimally invasive surgical procedure used to diagnose and treat joint problems. Arthroplasty is a surgical procedure to restore function to a joint by replacing or resurfacing the joint.

• Arthroscopy involves inserting a small camera into the joint to visualize and diagnose issues.

• Arthroplasty involves replacing damaged joint surfaces with artificial components.

• Common arthroplasty procedures include hip replacement and knee replacement.

The types of diagnosis of DM include Type 1 diabetes, Type 2 diabetes, and gestational diabetes.

• Type 1 diabetes is an autoimmune condition where the body attacks insulin-producing cells in the pancreas.

• Type 2 diabetes is a metabolic disorder characterized by insulin resistance and high blood sugar levels.

• Gestational diabetes occurs during pregnancy and usually resolves after childbirth.

• Other types of diabetes include monogenic diabetes and cystic fibrosis-related diabetes.

Developed a web application for tracking and managing project tasks

• Used React.js for front-end development

• Implemented RESTful APIs using Node.js and Express

• Utilized MongoDB for database management

• Incorporated authentication and authorization features for user security

Rank assigns unique numbers to each row, while dense rank assigns consecutive numbers to rows with the same values.

• Rank is used to assign a unique number to each row based on the order specified.

• Dense rank is used to assign consecutive numbers to rows with the same values.

• Rank leaves gaps between the numbers if there are ties, while dense rank does not.

• For example, if we have a dataset with scores of students, rank will assign unique numbers to each score, while dense rank wi...read more

SQL is a programming language used for managing and manipulating relational databases.

• SQL stands for Structured Query Language

• It is used to communicate with databases to retrieve, insert, update, and delete data

• Common SQL commands include SELECT, INSERT, UPDATE, DELETE

• SQL is used in various database management systems like MySQL, PostgreSQL, Oracle

The claim process involves several steps to assess and settle insurance claims.

• 1. Notification: The insured party notifies the insurance company about the claim.

• 2. Documentation: The insured provides all necessary documents and information related to the claim.

• 3. Investigation: The insurance company investigates the claim to determine its validity and coverage.

• 4. Evaluation: The claim is evaluated based on policy terms, coverage limits, and applicable deductibles.

• 5. Settlemen...read more

The three stages of frozen shoulder are freezing, frozen, and thawing.

• Freezing stage: Gradual onset of shoulder pain and stiffness, typically lasting 6-9 months

• Frozen stage: Pain may decrease but stiffness worsens, limiting range of motion

• Thawing stage: Gradual improvement in range of motion and pain relief, may take 6-24 months to resolve completely

Exclude 1 is used when two conditions cannot occur together, such as a patient having both diabetes and gestational diabetes.

• Exclude 1 is used when the conditions are mutually exclusive.

• It is important for medical coders to correctly apply exclude 1 notes to ensure accurate coding.

• Example: ICD-10 code E10 (Type 1 diabetes mellitus) has an exclude 1 note for gestational diabetes (O24).

Sequela refers to a condition that is the result of a previous disease or injury.

• It is a medical term used to describe the aftereffects or consequences of a disease or injury.

• Sequela can include physical, mental, or emotional symptoms that persist after the initial condition has resolved.

• For example, a stroke may lead to sequela such as paralysis, speech difficulties, or cognitive impairment.

• Treatment for sequela often focuses on managing symptoms and improving quality of lif...read more

CSS has multiple versions, the latest being CSS3.

• CSS1 was released in 1996

• CSS2 was released in 1998

• CSS3 is the latest version

• CSS3 has many new features like animations, transitions, and flexbox

Tarsal tunnel syndrome is a condition where the tibial nerve is compressed or squeezed as it passes through the tarsal tunnel in the ankle.

• It causes pain, numbness, and tingling in the foot and ankle.

• Common causes include injury, overuse, and underlying conditions like flat feet or arthritis.

• Treatment options include rest, physical therapy, medication, and in severe cases, surgery.

• Examples of diagnostic tests include nerve conduction studies and imaging scans.

• Proper footwear ...read more

Bundling refers to combining multiple products or services into a single package, while inclusive means everything is included in a single price.

• Bundling involves offering a discount when multiple products or services are purchased together

• Inclusive pricing means that all features or services are included in a single price

• Bundling is common in industries such as telecommunications and software

• Inclusive pricing is often used in the hospitality industry, where guests pay a sing...read more

Procedure and package are two types of database objects used in Oracle database.

• A procedure is a subprogram that performs a specific action and can be called by other programs.

• A package is a collection of related procedures, functions, and variables that can be used by multiple programs.

• Procedures and packages are stored in the database and can be called from any program that has access to the database.

• Procedures and packages can be used to encapsulate business logic and impr...read more

Test data is used to evaluate the performance of a model during training, while out-of-time (OOT) data is used to evaluate the model's performance on unseen data.

• Test data is typically a subset of the original dataset used to train the model.

• OOT data is data that was not available at the time of model training and is used to simulate real-world scenarios.

• Test data helps assess how well the model generalizes to new, unseen data, while OOT data helps evaluate the model's perfor...read more

Interface is a contract with no implementation, while abstract class can have some implementation.

• Interface cannot have any implementation, only method signatures.

• Abstract class can have both abstract methods and concrete methods.

• A class can implement multiple interfaces but can only inherit from one abstract class.

• Interfaces are used to achieve multiple inheritance in Java.

• Example: interface Shape { void draw(); } abstract class Shape { abstract void draw(); }

RCM stands for Revenue Cycle Management, it is the process of managing claims, payments, and revenue generation in healthcare organizations.

• RCM involves the financial process from the initial patient encounter to final payment of a balance.

• It includes patient registration, insurance verification, charge capture, coding, claims submission, payment posting, and denial management.

• Efficient RCM processes help healthcare organizations optimize revenue and improve cash flow.

• Example...read more

DM guidelines refer to the documentation guidelines for Diabetes Mellitus in ICD coding.

• DM guidelines provide specific criteria for documenting Diabetes Mellitus in medical records.

• Accurate documentation is crucial for assigning the correct ICD codes for Diabetes Mellitus.

• ICD guidelines outline the necessary information that should be included in the medical record for coding purposes.

• Examples of important documentation criteria include type of diabetes, complications, and ma...read more

ICD guidelines provide specific codes for AIDS diagnosis and treatment.

• ICD-10-CM code for AIDS is B20.

• ICD-10-CM also includes codes for HIV infection without AIDS (Z21) and asymptomatic HIV infection (Z20.6).

• ICD-10-PCS codes are used for procedures related to AIDS treatment.

• ICD guidelines help ensure accurate coding and billing for AIDS-related services.

Angular supports various data types including string, number, boolean, object, array, and any.

• String: 'hello world'

• Number: 42

• Boolean: true or false

• Object: { name: 'John', age: 30 }

• Array: [1, 2, 3]

• Any: can be any data type

Find the kth element in an array

• Use array indexing to access the kth element

• Remember that array indices start from 0

• Handle cases where k is out of bounds of the array

Emphysema is a lung condition where the air sacs in the lungs are damaged, leading to difficulty breathing. Empyema is a collection of pus in the pleural cavity.

• Emphysema is a chronic obstructive pulmonary disease (COPD) characterized by the destruction of the walls of the air sacs in the lungs.

• It is commonly caused by smoking and results in difficulty breathing, coughing, and wheezing.

• Empyema, on the other hand, is a condition where pus accumulates in the pleural cavity, usu...read more

Pathological conditions of the heart include coronary artery disease, heart failure, arrhythmias, and cardiomyopathy.

• Coronary artery disease: Narrowing or blockage of the coronary arteries leading to reduced blood flow to the heart muscle.

• Heart failure: Inability of the heart to pump enough blood to meet the body's needs.

• Arrhythmias: Abnormal heart rhythms, such as atrial fibrillation or ventricular tachycardia.

• Cardiomyopathy: Disease of the heart muscle, leading to weakened ...read more

View is a virtual table while Materialized view is a physical table.

• View is a logical representation of data while Materialized view is a physical copy of data.

• View is updated dynamically while Materialized view needs to be refreshed manually.

• Materialized view is faster for read-heavy operations while View is better for write-heavy operations.

• Materialized view can be indexed while View cannot be indexed.

Health insurance policies provide coverage for medical expenses and treatments.

• Health insurance policies vary in coverage and cost

• Some policies may have deductibles or copays

• Insurance companies may have preferred providers or networks

• Policies may cover preventative care, prescription drugs, and hospitalization

• Examples of health insurance companies include Blue Cross Blue Shield, Aetna, and UnitedHealthcare

Object-oriented programming concepts that help in organizing and structuring code.

• Encapsulation: bundling data and methods together in a class

• Inheritance: creating new classes from existing ones

• Polymorphism: using a single interface to represent different types

• Abstraction: hiding unnecessary details and exposing only essential features

Enzymes that secrets in stomach help break down food for digestion.

• Enzymes like pepsin, gastric amylase, and lipase are secreted in the stomach

• Pepsin helps break down proteins into peptides

• Gastric amylase aids in the digestion of carbohydrates

• Lipase assists in the digestion of fats

Copay is a fixed amount that an insured person pays for covered services, typically due at the time of service.

• Copay is a set fee that the insured individual must pay for certain services, such as doctor visits or prescription medications.

• It is typically a fixed amount, such as $20 for a doctor's visit or $10 for a prescription.

• Copays are separate from deductibles and coinsurance, and are usually due at the time of service.

• The purpose of copays is to share the cost of healthc...read more

Diabetes is a chronic condition that affects how your body turns food into energy.

• Diabetes is characterized by high levels of blood glucose resulting from defects in insulin production, insulin action, or both.

• There are three main types of diabetes: type 1, type 2, and gestational diabetes.

• Symptoms of diabetes include frequent urination, increased thirst, unexplained weight loss, and fatigue.

• Treatment for diabetes includes medication, insulin therapy, lifestyle changes, and m...read more

System design of saas based logging involves designing a scalable and secure platform for logging data in a Software as a Service model.

• Use a distributed architecture to handle high volume of log data

• Implement secure authentication and authorization mechanisms

• Utilize cloud storage for scalability and reliability

• Consider data encryption for sensitive log information

• Provide customizable log search and analysis capabilities

Hysterectomy is a surgical procedure to remove a woman's uterus.

• Hysterectomy is often performed to treat conditions such as uterine fibroids, endometriosis, or cancer.

• There are different types of hysterectomy, including total hysterectomy (removal of the uterus and cervix) and partial hysterectomy (removal of only the uterus).

• After a hysterectomy, a woman will no longer have menstrual periods and will not be able to become pregnant.

• Hysterectomy may be done through traditional...read more

The mitral valve is a heart valve that separates the left atrium from the left ventricle and helps regulate blood flow.

• Located on the left side of the heart

• Consists of two flaps (cusps)

• Helps prevent blood from flowing back into the left atrium

• Plays a role in the pumping of oxygenated blood to the rest of the body

Yes, I am comfortable working night shifts.

• I have previous experience working night shifts and have adjusted my sleep schedule accordingly.

• I am a night owl and perform well during nighttime hours.

• I understand the importance of being alert and focused during night shifts.

• I am willing to work night shifts as needed to support the team and company.

• I have reliable transportation for commuting during nighttime hours.

Health insurance is a type of coverage that pays for medical and surgical expenses incurred by the insured.

• Health insurance helps individuals and families cover the costs of medical care, including doctor visits, hospital stays, prescription medications, and preventive services.

• There are different types of health insurance plans, such as HMOs, PPOs, and high-deductible health plans.

• Employers often offer health insurance as part of their benefits package, with employees typica...read more

Journal entry for prepaid expenses involves debiting Prepaid Expense account and crediting Cash or Bank account.

• Prepaid expenses are expenses paid in advance but not yet incurred.

• To record prepaid expenses, debit the Prepaid Expense account and credit Cash or Bank account.

• Example: Journal entry for prepaid rent of $1,200 would be: Debit Prepaid Rent $1,200 and Credit Cash/Bank $1,200.

API gateway acts as a single entry point for all client requests, routing them to the appropriate microservices.

• API gateway handles authentication and authorization for client requests.

• It can perform load balancing and routing of requests to different microservices.

• API gateway can also handle caching, logging, and monitoring of requests.

• Examples of API gateways include Kong, Apigee, and AWS API Gateway.

I have used jQuery versions 3.5.1 and 3.6.0 in my recent projects.

• Used jQuery 3.5.1 for project A

• Used jQuery 3.6.0 for project B

BST search algorithm finds a specific value in a binary search tree.

• BST search algorithm starts at the root node and compares the target value with the current node's value.

• If the target value is less than the current node's value, move to the left child node. If greater, move to the right child node.

• Repeat the process until the target value is found or the current node is null.

Insurance is a financial protection against potential losses or damages.

• Insurance is a contract between an individual or organization and an insurance company.

• The individual or organization pays a premium in exchange for coverage against specific risks.

• Insurance helps mitigate financial losses in case of accidents, illnesses, or other unforeseen events.

• Types of insurance include health, life, auto, home, and business insurance.

• Example: If a person has health insurance, the in...read more

Sepsis guidelines are protocols for diagnosing and treating sepsis, a serious condition caused by the body's response to an infection.

• Sepsis guidelines help healthcare providers quickly identify and treat sepsis to prevent complications.

• Guidelines may include criteria for diagnosing sepsis, such as the presence of infection and signs of organ dysfunction.

• Treatment guidelines often involve administering antibiotics, fluids, and other supportive care.

• Early recognition and treat...read more

Auth denial is the rejection of a request for medical treatment or service by an insurance company.

• Auth denial occurs when an insurance company determines that a requested medical treatment or service is not covered under the patient's policy.

• This can happen for a variety of reasons, such as the treatment being considered experimental or not medically necessary.

• Auth denial can be appealed by the patient or their healthcare provider.

• Examples of auth denial include a request fo...read more

The circulatory system is a network of blood vessels and the heart that circulates blood throughout the body.

• Consists of the heart, blood vessels, and blood

• Delivers oxygen and nutrients to cells

• Removes waste products from cells

• Helps regulate body temperature

• Includes arteries, veins, and capillaries

GBM and Random Forest are both ensemble learning techniques used in machine learning, but they have some key differences.

• GBM (Gradient Boosting Machine) builds trees sequentially, each tree correcting errors of the previous one, while Random Forest builds trees independently.

• GBM is more prone to overfitting compared to Random Forest, as it continues to minimize errors in subsequent trees.

• Random Forest is generally faster to train than GBM, as the trees can be built in paralle...read more

Hive optimization techniques improve query performance in Hive by optimizing data storage and query execution.

• Partitioning tables based on commonly used columns to reduce data scanned during queries

• Using bucketing to evenly distribute data across files for faster reads

• Using indexes to speed up query processing by creating index tables on frequently queried columns

• Optimizing query execution by using appropriate join strategies and tuning query settings

Journal entry for dividend involves debiting retained earnings and crediting dividends payable or cash account.

• Debit retained earnings to decrease equity

• Credit dividends payable or cash account to show payment to shareholders

• Dividends are not an expense, but a distribution of profits

• Journal entry: Debit Retained Earnings, Credit Dividends Payable or Cash

Fibonacci series in Python is a sequence of numbers where each number is the sum of the two preceding ones.

• Use a loop to generate the Fibonacci series.

• Start with two initial numbers (0 and 1) and add them to get the next number in the series.

• Repeat this process to generate the entire series.

Import vs direct query

• Importing data involves transferring data from a source to a destination, while direct query involves querying data directly from the source.

• Importing data can be useful for offline analysis or data transformation, while direct query is more suitable for real-time analysis.

• Importing data may require additional storage space, while direct query does not necessarily require storage.

• Importing data can be time-consuming for large datasets, while direct query...read more

Creating a capacity plan involves analyzing historical data, forecasting future demand, and aligning resources accordingly.

• Gather historical data on workload and performance metrics

• Forecast future demand based on trends and seasonality

• Identify potential constraints and bottlenecks in the workforce

• Align resources such as staffing levels, skills, and technology to meet demand

• Regularly review and adjust the plan based on actual performance and changing business needs

Handling people in various scenarios is crucial for an Assistant Manager's role.

• Active listening and empathy are key skills to handle difficult situations.

• Maintain professionalism and remain calm under pressure.

• Provide clear communication and set expectations.

• Offer solutions and seek feedback for improvement.

• Address conflicts promptly and fairly.

• Build positive relationships and trust with team members.

• Adapt communication style based on individual personalities and preferences...read more

Reverse a given string

• Use a loop to iterate through the characters of the string

• Append each character to a new string in reverse order

• Return the reversed string

Systems refer to interconnected components working together to achieve a specific goal or function.

• Systems consist of various parts that work together in a coordinated manner.

• They can be biological, mechanical, social, or computer-based.

• Examples include the human body as a biological system, a car engine as a mechanical system, a school as a social system, and an operating system as a computer-based system.

Non IT chat process involves providing customer support or assistance through chat messaging.

• Respond promptly to customer inquiries

• Provide accurate information and solutions

• Maintain a friendly and professional tone

• Use empathy and active listening skills

• Handle multiple chats simultaneously

• Follow company guidelines and protocols

• Offer additional assistance or products/services if applicable

A garden is a planned space, usually outdoors, set aside for the display, cultivation, and enjoyment of plants and other forms of nature.

• Gardens can be designed for aesthetic pleasure, food production, or a combination of both.

• Common types of gardens include flower gardens, vegetable gardens, herb gardens, and botanical gardens.

• Gardens often feature a variety of plants, trees, shrubs, and flowers arranged in a visually appealing manner.

• Gardening activities such as planting, w...read more