Logic

The brainteasers asked in interviews, and a two-minute sprint for speed.

Pick a type

Number puzzlesHandshakes between 8 peopleSequences2, 6, 18, 54, ?ProbabilityTwo dice: P(sum = 7)MixedThe three types at random

↵2 minutes. Enter to skip, Escape to stop.

Desk.

Desk. is under construction. Opening planned for 2027.

Pick a type

Number puzzlesHandshakes between 8 peopleSequences2, 6, 18, 54, ?ProbabilityTwo dice: P(sum = 7)MixedThe three types at random

↵2 minutes. Enter to skip, Escape to stop.