What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

I hide my treasure in the ground, my tail is big and fluffy. If you spot me in a tree, please don’t call me scruffy. What am I?

You have four chains. Each chain has three links in it. Although it is difficult to cut the links, you wish to make a single loop with all 12 links. What is the fewest number of cuts you must make to accomplish this task?

Prove that twice of ten is the same as twice of eleven.

I have feet, but no legs. Which animal Am I?

How many triangles can you count in the figure given?

Can you write down eight eights so that they add up to one thousand?

John was piloting a plane behind a car but was never able to overtake it. Why?

In case you were starting to feel confident, this one was meant for third graders in Vietnam. The answer is 66, but we don't blame you for scratching your head about how they got there.

The day after tomorrow will be three days before Tuesday. Can you find out what is today?