A ping pong ball fell down into a narrow metal pipe embedded in concrete one foot deep. You have a table tennis racket (bat or paddle), a pair of shoe laces and a large unopened water bottle, which does not fit into the pipe. How can you get the ping pong ball out of the pipe undamaged?

Riddle Answer# Hard Riddles

## 5 to 2 Squares Matchstick Puzzle

There are five squares formed by 12 matchsticks as shown in the figure. Can you remove just two matchsticks so that only two squares remain?

Riddle Answer## Probability Other Child Is a Boy

Mr. Smith has two children. If the older child is a boy, what is the probability that the other child is also a boy?

Riddle Answer## The Length of One Shoelace

The length of one shoelace is 20cm and half a shoelace.

What is the length of 2 such shoelaces?

Riddle Answer## 12 Marbles Problem

You have twelve marbles that are identical in size, shape, and color. One of the marbles is heavier in weight than the rest. How can you find the heavier marble by using a balance scale only thrice?

Riddle Answer