Find the minimum number of socks I need to take out from a box of red and black socks to ensure that I have k pairs of socks.
Quantitative Research Internship Interview Questions
3,500 quantitative research internship interview questions shared by candidates
The trapping rainwater problem (famous interview problem, you can find this on leetcode).
X and Y equal $2.50. X is twice the cost of Y. What are X and Y respectively?
- How to measure a default probability for a company ? - Compute expectation of min(X,Y) where X,Y are independent and uniform in [0,1] - How do you test and implement safeguards for your code ?
The angles between two arms on a clock. Beware if the asked 10:40, the hour hand will have moved on past 10.
Q: Suppose you want to calculate how long an escalator is. You have two times: the time it takes you to ascend the escalator while standing still, and the time it takes you to ascend the escalator while walking at a speed of x meters/second. Q: Some easy probability question on bounding the event of rain on a second day if it rained on the first. I'm sure there's someone else on here who gave a more detailed account. A follow-up required knowledge about union-bound if I recall correctly.
Cloud raining or no cloud raining
Person A walks up an escalator at 2 steps/second. Person B walks up an escalator at 3 steps/second. Person B gets on the escalator 5 seconds after A and arrives at the top X seconds after A. (I forgot the exact value of X) If the escalator is moving at 1 step/second, how many steps are visible on the escalator at a single point in time?
Flip 4 coins every time, what's the expected number of times to get 4 H
I have a standard 52 card deck. One by one, I draw cards from the deck and place them face up in front of you (without putting them back). At any point, you may stop me and say a color. If the next two cards I draw both have that color, you win. Otherwise, you lose. What is the optimal strategy?
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