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?
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 Answer
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? Riddle Answer