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.
Senior Quantitative Research Analyst Interview Questions
3,504 senior quantitative research analyst interview questions shared by candidates
The trapping rainwater problem (famous interview problem, you can find this on leetcode).
how can you construct an arbitrage given these two call options(same maturity) : C1: strike 40, prize now 4 C2: strike 30, prize now 3
Happy number, maximum sum of sub sequence of an array
Cloud raining or no cloud raining
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?
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.
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?
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