To get the most pizza, should you order two 12″ pizzas or one 18″ pie?

Dina comes from a large family and has over 20 cousins. How is it possible that all of her cousins have an aunt who is not her aunt?

Two days ago Lilly was 7 years old. Next year she will turn 10. How can this be?

What is special about 3,661 seconds past midnight on January 1, 2001?

Priscilla gave her brother Bruce as much money as Bruce started with. Bruce gave Priscilla as much money as Priscilla had left. Priscilla then gave Bruce as much as Bruce had left, which left Priscilla broke. Bruce had $80.00.

How much money did Priscilla and Bruce start with?

During lunch hour a group of boys from Mr. Bryant’s homeroom visited a nearby grocery store. One of the five took an apple.

Jim said, “It was Hank or Tom”.
Hank said, “Neither Eddie nor I did it.”
Tom said, “Both of you are lying.”
Don said, “No, one of them is lying, the other is speaking the truth.”
Eddie said, “No, Don, that is not true.”
When Mr. Bryant was consulted, he said, “Three of these boys are always truthful but two will lie every time.”

Who took the apple?

Three rooms contain:
1) Gold coins
2) Currency notes
3) Cotton bags

If all three rooms catch fire, which room will the ambulance pour water on first?