# Companies matching "jane street capital"

www.janestreet.com  /  HQ: New York

231 Interviews

3.8

Difficult

## Jane street capital Interview Questions

Sort: Popular Date
Sort: Popular Date

### Quant at Jane Street

Nov 22, 2010
 “suppose you have a perfectly round disk. You put three legs randomly on this disk to form a table. Supposing the legs are perfectly perpendicular to the disk and are attached to the disk firmly, what…”

### Junior Trader at Jane Street

Feb 29, 2012
 “During the third interview : imagine an infinite chess board. If the horse from 1 case, in how many cases can he possibly ends after 10 moves. You actually don't have to give a number but a…”

May 2, 2012
 “What is the sum of the digits of all the numbers from 1 to 1000000? This is different from the sum of the numbers. For instance the sum of the numbers from 1 to 10 is 55 whereas the sum of the digits…”

### Assistant Trader at Jane Street

Apr 7, 2011
 “what is the expected number of flips of a coin to simulate a 6 sided die.”

### Assistant Trader Summer Internship at Jane Street

Feb 26, 2010
 “Flip a coin until either HHT or HTT appears. Is one more likely to appear first? If so, which one and with what probability?”

### Intern at Jane Street

Mar 14, 2011
 “If you had only 5 and 11 cent stamps. Whats the smallest number that would be impossible to make with those stamps.”

### Assistant Trader at Jane Street

Oct 4, 2010
 “You have a box filled with cash. Cash value is uniformly randomly distributed from 1 to 1000. You are trying to win the box in an auction: you win the box if you bid at least the value of the cash in…”

### Quantitative Trader at Jane Street

Jan 2, 2010
 “N points lie on a circle. You draw lines connecting all the points to each other. These lines divide up the circle into a number of regions. How many regions is this? Assume that the points are…”

### Assistant Trader at Jane Street

Apr 7, 2011
 “Simulate a 6 sided die with a coin.”

### Trader Intern at Jane Street

Jan 12, 2011
 “Russian Roulette - 4 blanks 2 bullets, all in a row. If someone shoots a blank next to you, would you take another shot or spin”
110 of 127 Interview Questions