A riddle problem is a question or statement intentionally phrased so as to require ingenuity in ascertaining its answer or meaning, typically presented as a game.  Below is a list of the past problem of the week riddles in descending chronological order.

Riddle: How much will a 38° angle measure when looked at under a microscope that magnifies ten times?
Answer: It will still be 38°.
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Riddle: What has a foot on each side and one in the middle?
Answer: A yardstick.
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Riddle: If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?
Answer: Five minutes.
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Handy Math Teachers

POW: 04-17-2023

Riddle: What is the most useful instrument in a mathematics teacher's tool kit?
Answer: Multi-pilers!
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Riddle: You want to boil a two-minute egg. If you only have a three-minute timer (hourglass), a four-minute timer, and a five-minute timer, how can you boil the egg for only two minutes?
Answer: Once the water is boiling, turn the three-minute timer and five-minute timer over. When the three-minute timer runs out, put the egg in the boiling water. When the five-minute timer runs out, two minutes have elapsed and it is time to take the egg out of the water. You don't need the four-minute timer for this riddle.
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Riddle: What is the next number in the sequence? 2, 3, 5, 9, 17, _
Answer: 33. The pattern:  Double the previous number and subtract 1.
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