Mental math interview questions

203 mental math questions from quant interviews, each with the approach, the worked solution, and the concepts it tests.

The set breaks down as 143 easy, 28 medium, 24 hard and 8 expert.

Firms that ask mental math questions in this bank include Optiver, DRW, Old Mission Capital, Jane Street and Flow Traders.

A question from this topic: What is 16 cubed?