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Logic Puzzles and Brain Teasers

Hard Math and Logic

Irrational number ^ irrational power = rational?

Hard Math and Logic

1st sits random. Last gets assigned seat prob?

Easy Math and Logic

Does washer hole expand or shrink when heated?

Medium Math and Logic

How many barbershops are in the USA?

Hard Math and Logic

100 cheating husbands. Execution day?

Hard Math and Logic

Truth 3/4 times. Says 6 on a die. Prob it's a 6?

Hard Math and Logic

5 bandits split 100 coins. Senior proposal?

Hard Math and Logic

Families stop childbearing after 1st boy. Sex ratio?

Medium Math and Logic

How many squares on an 8x8 chessboard?

Medium Math and Logic

How many ping pong balls fill a 747?

Medium Math and Logic

C beats T by 10m in 100m. C starts 10m back. Winner?

Medium Math and Logic

Does level change when ice in water melts?

Hard Math and Logic

4 people: 1, 2, 5, 10 mins. Bridge (max 2). Min time?

Easy Math and Logic

31 games in elimination tournament. Players?

Hard Math and Logic

3 doors: Heaven, 1-day Hell, 2-day Hell. Avg days?

Hard Math and Logic

110m rope. 1ft slack added/pulled up. Truck fits?

Hard Math and Logic

Which is greater: e? or ?e?

Hard Math and Logic

Surgeon with 2 gloves must operate on 3 patients. How?

Hard Math and Logic

Duck in pond. Cat runs 4x faster on edge. Escape?

Medium Math and Logic

1/2 of 2/3 of 3/4... of 9/10 of 1,000?

Medium Math and Logic

Pick 1 of 3. Empty removed. Do you switch?

Easy Math and Logic

Explain a database to an 8-year-old.

Medium Math and Logic

Standard deviation of {1, 2, 3, 4, 5}?

Hard Math and Logic

1/4 into tunnel. Meet train at start or end. Speed ratio?

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