Blackrock Data Analyst Interview Questions and Answers

Easy level. Basic of Quant, LR and English. Few basic finance question.

Q1. Tell me about yourself
Ans. 
I am a data analyst with experience in analyzing and interpreting complex data sets.
• I have a degree in statistics and have worked with various statistical software such as R and SAS.

• I have experience in data cleaning, data visualization, and creating reports for stakeholders.

• I am skilled in SQL and have worked with large databases.

• I am a problem solver and enjoy finding insights from data to drive business decisions.
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Q2. 2 strength and weakness
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Q3. 2 achievements in your life
Ans. 
Developed a data-driven marketing strategy and won a national competition
• Developed a comprehensive marketing strategy using data analysis

• Implemented the strategy resulting in a 20% increase in sales

• Entered a national competition and won first place

• Received recognition from industry experts for the innovative approach
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Q4. Why Invesco and would you be okay to move Hyderabad for work
Ans. 
I am interested in Invesco because of its reputation and growth opportunities. Yes, I am willing to relocate to Hyderabad.
• Invesco is a well-known and respected company in the financial industry

• I am impressed with the company's commitment to innovation and technology

• Hyderabad is a thriving city with a growing economy and many opportunities for personal and professional growth

• I am excited about the prospect of working wi...read more
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Round duration - 45 minutes
Round difficulty - Easy

The round was about intro and mostly focussed on the project mentioned in the resume. The interviewer was friendly and helpful.

Q1. 
Ways To Make Coin Change
Given an infinite supply of coins of varying denominations, determine the total number of ways to make change for a specified value using these coins. If it's not possible to make...read more
Ans. 
The task is to find the total number of ways to make change for a specified value using given denominations.
• Create a dynamic programming table to store the number of ways to make change for each value up to the specified value.

• Iterate through each denomination and update the table accordingly.

• The final answer will be the value in the table at the specified value.

• Consider edge cases such as when the specified value is 0
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Q1. SQL and powerbi questions
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There were apti verbal communication test sql section in the test

Q1. Technical questions were asked based on resume what skill you have mentioned
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Q2. On python Code for sum of digit Palindrome or not
Ans. 
Python code for finding sum of digits and checking if a number is palindrome or not.
• To find sum of digits, convert the number to string and iterate over each character to add them up

• To check if a number is palindrome, convert the number to string and compare it with its reverse

• Alternatively, you can also convert the number to a list of digits and check if it is equal to its reverse
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Q1. About your personality
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Q2. On you personality based on resume
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Round duration - 30 minutes
Round difficulty - Easy

start with introduction
then some simple oops concept
one simple coding problem
and at last deep discussion on project

Q1. 
Reverse a Number Problem Statement
Ninja wants to find the reverse of a given number but needs your assistance.
Example:
Input:
T = 2
N = 10400
N = 12345
Output:
401
54321
Explanation:
If a number has...read more
Ans. 
Reverse a given number excluding trailing zeros.
• Iterate through the digits of the number from right to left.

• Skip any trailing zeros while reversing the number.

• Handle the edge case where the number is 0 separately.

• Convert the reversed digits back to a number for the final result.
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Round duration - 25 minutes
Round difficulty - Easy

Round duration - 5 minutes
Round difficulty - Easy

Telephonic call
About yourself and family
Location preference

Mostly on react and python

Q1. Previous projects
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Q2. Some HR scenario based questions
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Q3. List vs tuples, decorators, generators, init file
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Q4. React components, github and aws
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