Mental math and brain games are commonly assessed in quantitative trader and quantitative researcher interviews. Use the games above to practice!
Arithmetic Game - Solve as many mental math questions as you can in under 120 seconds.
Sequences Game - Find the missing value to complete the sequence of numbers.
Optiver Game - Answer 80 questions in 8 minutes. Each incorrect answer is -2 points and each correct answer is +1 points.
Memory Game - Put your memory to the test by trying to recall the order in which the digits appeared.
Risk Game - Balance risk and reward by pumping a balloon for points while being weary of the chance that it pops.
Flexibility Game - Identify whether the meaning of the card on the left matches the color of the card on the right.
Letter Speed Game - Quickly identify the letter card with the highest or lowest value.