Question 1

1. Write an SQL query to find the second largest entry in a table.
2. Reverse the words in a sentence without using another string.

Accepted Answer

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Question 2

What is the angle between the hour hand and the minute hand of a clock at 3:15?

Accepted Answer

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Question 3

What is convexity? How is it calculated? What does it tell you?

Accepted Answer

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Question 4

How do you find the number of words in a file?

Accepted Answer

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Question 5

1. What are the differences between DDL, DML, and TCL in SQL?
2. How can you find the middle node of a singly linked list in a single pass?
3. How do you design a stack that can return the minimum ele...

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Question 6

What is linear regression?

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Question 7

Given a set of returns for a portfolio, calculate the variance of the portfolio.

Accepted Answer

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BlackRock Interview Questions

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