Valorem Analyst Interview Questions and Answers

1st round included basic apt questions and essay writing

Q1. General resume questions
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Q2. Aptitude questions
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Q1. Coalesce, SQL Order of Execution
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Q2. Given a table with fields(id, name, salary, managerId) find out the managers who have atleast 5 reportees under him/her.
Ans. 
Use SQL query to count number of reportees for each manager and filter out those with atleast 5 reportees.
• Write a SQL query to count number of reportees for each manager using GROUP BY clause

• Add HAVING clause to filter out managers with atleast 5 reportees

• Example: SELECT managerId, COUNT(id) AS num_reportees FROM table_name GROUP BY managerId HAVING num_reportees >= 5
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Q3. How to manage large datasets in python
Ans. 
Use libraries like pandas and dask to efficiently manage large datasets in Python.
• Use pandas library for data manipulation and analysis.

• Use dask library for parallel computing and out-of-core processing.

• Optimize memory usage by loading data in chunks or using data types efficiently.

• Consider using cloud services like AWS S3 or Google BigQuery for storing and processing large datasets.
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Q4. Name few of the commonly used python libraries used by DA
Ans. 
Some commonly used Python libraries for Data Analysts are Pandas, NumPy, Matplotlib, and Scikit-learn.
• Pandas - used for data manipulation and analysis

• NumPy - used for numerical computing and working with arrays

• Matplotlib - used for data visualization

• Scikit-learn - used for machine learning and data mining
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Q1. Highlight the odd cells in excel
Ans. 
Use conditional formatting to highlight odd cells in Excel
• Select the range of cells you want to highlight

• Go to the 'Home' tab and click on 'Conditional Formatting'

• Choose 'New Rule' and select 'Use a formula to determine which cells to format'

• Enter the formula '=MOD(A1,2)=1' (assuming A1 is the top-left cell of your selected range)

• Choose the formatting style you want for the odd cells
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Q2. What are Joins in SQL, explain different joins and their outputs
Ans. 
Joins in SQL are used to combine rows from two or more tables based on a related column between them.
• Types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN

• INNER JOIN returns rows when there is at least one match in both tables

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

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

• FU...read more
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Q3. Query to give running sum of salary
Ans. 
Use window function to calculate running sum of salary in SQL
• Use window function like SUM() with OVER() clause

• Partition the data by employee ID if needed

• Order the data by date or any other relevant column
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Q1. Self Introduction
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Q2. Salary Expectation
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Q1. 14 questions in excel formulas
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Q1. Introduction about yourself
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Q2. English speaking skill
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Q1. Technical questions
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Q1. Basic questions for finance
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Q2. If you know everything from JD
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Q1. Market capitalisation
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Q2. Different type of swaps
Ans. 
Different types of swaps include interest rate swaps, currency swaps, and credit default swaps.
• Interest rate swaps involve exchanging fixed and floating interest rate payments.

• Currency swaps involve exchanging principal and interest payments in different currencies.

• Credit default swaps involve transferring the credit risk of a specific asset or entity.

• Other types of swaps include equity swaps, commodity swaps, and tota
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First round is gamified aptitude that is playfull easy to crake.

That was a aptitude test easy to crake. major question are percentage,reasoning,average,ven diagram,number system, basic math question

Science base assessment (at the first they give certain amount of course and course source that we need to study) easy 10 mcq question we need to learn the course.

Q1. They test our problem solving skill so they give a bunch of aptitude question and explain to the hr.
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Q2. About my family
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Q3. Strength and weakness
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Q4. Recent book you read
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Q5. Project and internship
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