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Logic Puzzles and Brain Teasers

Hard Math and Logic

Sum of digits from 1 to 1,000,000?

Hard Math and Logic

Helium balloon in car accelerating forward. Direction?

Medium Math and Logic

HH = Jamie takes 2. Any other = Ashley takes 1. Winner?

Hard Math and Logic

100 ants on 1m stick at 1cm/s. Max time to clear?

Hard Math and Logic

Shortest distance from room corner to opposite corner?

Medium Math and Logic

Measure 4L using 3L and 5L jugs.

Medium Math and Logic

Angle between clock hands at 3:15?

Hard Math and Logic

3-way. Accuracy 33/50/100. You (33) go first. Action?

Medium Math and Logic

20% men/40% women attend. 35% employees men. Total %?

Medium Math and Logic

How is world population measured?

Hard Math and Logic

Alex (RR/BB wins). Sam (BR/RB wins). Better position?

Hard Math and Logic

7-part bar. Pay 1 part/day for 7 days. Snap twice?

Medium Math and Logic

Weigh an elephant without a massive scale?

Hard Math and Logic

3R, 2B hats. 1st/2nd can't guess. What is 3rd's color?

Easy Math and Logic

How do you move Mount Fuji?

Medium Math and Logic

Double every 5m. 1 fills in 12h. Time for 2 to fill?

Medium Math and Logic

Guess 1-1000 with higher/lower. Max guesses?

Medium Math and Logic

Can the mean of two consecutive primes be a prime?

Medium Math and Logic

Can you swim faster in syrup or water?

Hard Math and Logic

6 chambers, 2 consecutive bullets. Fired empty. Spin or stay?

Hard Math and Logic

Times digit "3" is printed between 3,000 and 4,000?

Medium Math and Logic

1) 1 penalty for �1k. 2) 2 of 3 for �1k. Choice?

Medium Math and Logic

Place coins on round table. Last one wins. Go 1st or 2nd?

Hard Math and Logic

54 cards (2 Jokers). Probability both are Jokers?

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