BlackRock–styleInternSummer InternshipQuestion #65
Given a set of returns for a portfolio, calculate the variance of the portfolio.
Build Your Approach
State the assumptions, try a simple case, then work toward a general solution. Check the result and explain how it changes if an assumption changes.
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More BlackRock–Style Intern Questions
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.What is the angle between the hour hand and the minute hand of a clock at 3:15?What is convexity? How is it calculated? What does it tell you?How do you find the number of words in a file?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 element at any given time in constant time?
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