Easy · Probability & Combinatorics · Numerical · ~3 min · #66
Three Dice in Increasing Order
Real interview · Optiver
You roll three fair dice one after another. What is the probability that the results are strictly increasing?
Hints · 0 of 1 shown
Worked solution
Give the problem an honest attempt first, then reveal the full explanation.
Reported in interviews
Candidate-reported and unverified; the firm may phrase it differently or no longer ask it. The wording here is our own paraphrase, and the solution was written and checked independently of any answers posted at the source.
Related questions
Concepts
CombinationsCounting
Relevant for
Quant TraderDesk Quant