When James was nine years old he hammered a nail into a tree to mark his height. Ten years later, James returned to see how much higher the nail was. If the tree grew by four inches each year, how much higher would the nail be?

Riddle Answer# Logic Riddles

## Ping Pong Ball in a Hole

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## 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## Chain Nailed to the Wall

There is a chain nailed to the wall. The chain is 10 feet long and the center of the chain dips down 5 feet from where each side of the chain is nailed to the wall. How far are the 2 ends of chain from each other?

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