If you had a stack of pennies as tall as the Empire State Building, could you fit them all in one room?
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Tower of Hanoi – 6 Disks
Below are six discs stacked on a peg. The object is to reassemble the discs, one by one, in the same order on another peg, using the smallest number of moves. No larger disc can be placed on a smaller disc. How many moves will it take?
Two Hourglasses
You have two hourglasses, a 7 minute one and an 11 minute one. Using just these two hourglasses, how can you accurately time 15 minutes?
Riddle Answer1.5 Teenagers 1.5 Pizzas 1.5 Days
If one and a half teenagers can eat one and a half pizzas in one and a half days, how many pizzas can 9 teenagers eat in 3 days?
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