Dharmarth Homoeopathic Interview Questions and Answers

One number is missing from 1 to 100. Find it's value.

• Use the formula n(n+1)/2 to find the sum of numbers from 1 to 100

• Subtract the sum of numbers given from the sum of numbers from 1 to 100 to find the missing number

• The missing number is 5050 minus the sum of given numbers

Prioritize test cases based on criticality and impact, automate repetitive tests, and focus on high-risk areas.

• Prioritize test cases based on criticality and impact

• Automate repetitive tests using test automation tools

• Focus on high-risk areas to ensure maximum coverage in limited time

Abstract classes can have implementation while interfaces cannot. Classes can implement multiple interfaces but only inherit from one abstract class.

• Abstract classes can have constructors while interfaces cannot

• Interfaces can only have method signatures while abstract classes can have both method signatures and implementation

• Abstract classes can have access modifiers while interfaces cannot

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

Regression testing is the process of retesting a software application to ensure that new code changes have not adversely affected existing functionality.

• Regression testing is performed after code changes to verify that the existing features still work correctly.

• It helps in identifying any defects introduced by new code changes.

• Automated testing tools are often used for regression testing to save time and effort.

• Regression testing can be done manually as well as automatically....read more

SQL is a programming language used to manage and manipulate relational databases.

• SQL stands for Structured Query Language

• It is used to create, modify, and query databases

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

• SQL is used in various industries including finance, healthcare, and e-commerce

Joins are used in SQL to combine data from two or more tables based on a related column.

• INNER JOIN returns only the matching rows from both tables

• LEFT JOIN returns all rows from the left table and matching rows from the right table

• RIGHT JOIN returns all rows from the right table and matching rows from the left table

• FULL OUTER JOIN returns all rows from both tables

• CROSS JOIN returns the Cartesian product of both tables

Developed a predictive model to forecast sales for a retail company

• Used historical sales data to train the model

• Incorporated external factors such as weather and holidays

• Evaluated model performance using metrics like RMSE and MAE