2000+ Analyst Interview Questions and Answers

Hashing is a technique to convert data of arbitrary size to a fixed size. Hash table is a data structure that uses hashing to store data.

• Hashing is used to index and retrieve items in a database because it is faster than other methods.

• Hash table is a data structure that uses a hash function to map keys to array indices.

• Hashing key is the input to the hash function that produces a hash value.

• Hashing is used in password storage, checksum generation, and data encryption.

I am passionate about applying my mathematical skills to solve complex problems in the field of analysis.

• I believe that my strong mathematical background provides me with a solid foundation for analytical work.

• Mathematics has taught me critical thinking, problem-solving, and data analysis skills that are essential for an analyst role.

• I enjoy working with numbers and using mathematical models to gain insights and make informed decisions.

• My CPI reflects my dedication and hard w...read more

BookMyShow should charge different prices based on factors like movie of superstar, festival occasion, etc.

• Consider the popularity of the movie star

• Take into account the demand for tickets during festival occasions

• Analyze the competition and market trends

• Offer discounts for bulk bookings or loyalty programs

• Consider the cost of production and distribution

• Adjust prices based on the time of day or week

• Use dynamic pricing to optimize revenue

• Examples: Charge higher prices for a mo...read more

Filtering data in PySpark based on a particular condition.

• Use the filter() function to filter data based on a condition.

• Conditions can be specified using logical operators such as ==, >, <, etc.

• Multiple conditions can be combined using logical operators such as and, or, not.

• Example: df.filter(df['age'] > 25).filter(df['gender'] == 'Male')

• This will filter the data where age is greater than 25 and gender is Male.

I would like to add a feature that suggests nearby events and attractions based on user preferences.

• Personalized event and attraction recommendations

• Integration with ticketing platforms for revenue sharing

• Increased user engagement and retention

The Indian economy has experienced mixed performance in the past 2 years.

• GDP growth rate has fluctuated

• Demonetization and GST implementation impacted the economy

• Unemployment rate has been a concern

• Inflation has remained relatively low

• Foreign direct investment has increased

• Agricultural sector faced challenges due to weather conditions

The Convex Hull is the smallest convex polygon that encloses all given points.

• Sort the points based on their x-coordinate.

• Find the upper hull by starting from the leftmost point and moving clockwise.

• Find the lower hull by starting from the rightmost point and moving counterclockwise.

• Combine the upper and lower hulls to form the convex hull.

Defective pack elimination during transportation loading

• Inspect each pack before loading

• Use a checklist to ensure all packs are accounted for

• Separate defective packs from non-defective ones

• Label defective packs clearly

• Dispose of defective packs properly

• Train personnel on proper handling procedures

The amount of sand in a hole of dimension x on a beach cannot be determined without additional information.

• The volume of sand in the hole depends on the depth of the hole as well as its length and width.

• To calculate the volume, the formula V = lwh can be used, where l is the length, w is the width, and h is the depth of the hole.

• Without knowing the specific dimensions of the hole, it is impossible to determine the amount of sand it contains.

Yes, it is possible to decompile bytecode in Java back to the original code.

• Decompilation is the process of converting bytecode back to its original source code.

• There are several tools available for decompiling Java bytecode, such as JD-GUI, FernFlower, and Procyon.

• Decompiling bytecode can be useful for understanding how a program works, reverse engineering, or debugging.

• However, the decompiled code may not be an exact replica of the original source code, as some information ...read more

A derivative is a financial instrument whose value is derived from an underlying asset. Types include futures, options, and swaps.

• A derivative is a contract between two parties based on an underlying asset.

• It derives its value from the performance of the underlying asset.

• Common types of derivatives include futures, options, forwards, and swaps.

• Derivatives are used for hedging, speculation, and arbitrage.

• Examples of derivatives include stock options, commodity futures, and int...read more

Cloud computing is the delivery of computing services over the internet, enabling on-demand access to resources and applications.

• Scalability: Easily scale resources up or down based on demand, e.g., AWS Elastic Compute Cloud (EC2).

• Cost Efficiency: Pay-as-you-go pricing models reduce upfront costs, e.g., Google Cloud Platform.

• Accessibility: Access services from anywhere with an internet connection, e.g., Microsoft Office 365.

• Collaboration: Enables real-time collaboration on do...read more

What is the most likely value of the last roll in a game where a die is rolled until the sum of all rolls is at least 100?

• The last roll must be at least 4 to reach a sum of 100

• The probability of rolling a 4, 5, or 6 is 1/2

• The most likely value of the last roll is 4 or 5

Our strategy for spend analysis and cost reduction involves a thorough review of all expenses and identifying areas for optimization.

• Conduct a comprehensive analysis of all expenses

• Identify areas for optimization and cost reduction

• Negotiate with vendors for better pricing and terms

• Implement cost-saving measures such as process improvements and automation

• Regularly review and update the strategy to ensure continued success

You can buy fuel from us through our fuel card program.

• We offer a fuel card program that allows you to purchase fuel from our network of stations.

• Our fuel card program offers discounts and rewards for frequent users.

• You can easily track your fuel expenses and usage through our online portal.

• We also offer customized fuel solutions for businesses and fleets.

• Our fuel is high-quality and meets all industry standards.

Increasing stock volatility increases the price of a call option.

• Higher volatility means higher potential for the stock to move in the option holder's favor, increasing the option's value

• The option's delta and gamma will also increase with higher volatility

• Example: If a call option on a stock with a strike price of $50 has a premium of $2 when the stock has a volatility of 20%, increasing the volatility to 30% may increase the premium to $2.50 or higher

Object-oriented language is a programming paradigm that uses objects to represent data and methods.

• Objects contain data and methods that operate on that data.

• Encapsulation, inheritance, and polymorphism are key concepts in object-oriented programming.

• Examples of object-oriented languages include Java, C++, and Python.

The probability of element at 20th position landing up at 31st position after the first iteration.

• The probability depends on the size of the dataset and the algorithm used for iteration.

• If the algorithm involves swapping adjacent elements, the probability is higher.

• If the dataset is sorted in a way that the element at 20th position is adjacent to the element at 31st position, the probability is 1.

• The probability can be calculated using combinatorics and probability theory.

Agile is my preferred way of accepting changes from the customer.

• Agile allows for continuous feedback and collaboration with the customer

• Waterfall can lead to delays and misunderstandings

• Agile promotes flexibility and adaptability to changing requirements

• Examples: Scrum, Kanban, Lean

Sales prediction can be made using machine learning algorithms and statistical models.

• Collect and clean relevant data

• Choose appropriate algorithm or model

• Train the model using historical data

• Validate the model using test data

• Use the model to predict future sales

• Continuously monitor and update the model

• Examples: linear regression, decision trees, neural networks

I don't have the available data to answer this question.

Use online maps or directories to find the number of petrol pumps in the city.

• Search for petrol pumps on online maps like Google Maps or MapQuest.

• Use online directories like Yelp or Yellow Pages to find petrol pumps in the city.

• Check with local authorities or city websites for a list of petrol pumps in the area.

• Ask locals or taxi drivers for recommendations on petrol pumps in the city.

To troubleshoot a C drive running out of space, check for large files, uninstall unnecessary programs, clear temporary files, and consider expanding storage capacity.

• Check for large files that can be deleted or moved to another drive

• Uninstall unnecessary programs to free up space

• Clear temporary files using disk cleanup tools

• Consider expanding storage capacity by adding a new hard drive or using external storage

The validity of the second data set can be verified by comparing it with the first data set.

• Compare the variables in both data sets to ensure they are the same.

• Check if the number of policies in the second data set matches the number stated.

• Perform statistical analysis on both data sets to identify any discrepancies or inconsistencies.

• Validate the accuracy of the second data set by cross-referencing it with external sources or known benchmarks.

AML analysis is the process of identifying and preventing money laundering activities through online transaction monitoring.

• AML analysis involves the identification of suspicious transactions and the assessment of their risk levels.

• The process includes collecting and analyzing transaction data, conducting customer due diligence, and reporting any suspicious activities to regulatory authorities.

• Online monitoring of transactions involves real-time tracking of financial transact...read more

Use binary search method to identify contaminated pills in the jar.

• Divide the pills into two equal groups and test one group. If contaminated, test each pill individually. If not contaminated, repeat the process with the other group.

• Continue dividing and testing until the contaminated pills are identified with the least number of tests.

• Example: If there are 100 pills, start by testing 50 pills. If contaminated, test each of the 50 pills individually. If not contaminated, divi...read more

The Securities and Exchange Commission (SEC) regulates markets in the US. Their responsibilities include enforcing federal securities laws, protecting investors, and maintaining fair and orderly markets.

• The SEC is responsible for overseeing securities exchanges such as the New York Stock Exchange (NYSE) and NASDAQ.

• They enforce laws such as the Securities Act of 1933 and the Securities Exchange Act of 1934.

• The SEC also regulates investment advisers, mutual funds, and other inv...read more