If I went halfway to a town 60 km away at the speed of 30 km/hour, how fast do I have to go the rest of the way to have an average speed of 60 km/hour over the entire trip?

Riddle Answer# Riddles

## Birthday Puzzle

The day before yesterday I was 25 and the next year I will be 28. This is true on only one day in a year. What day is my birthday?

Riddle Answer## Hidden Apple

There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way.

Where can you place an apple so that all but one person can see it?

Riddle Answer## Counting Squares

## 5 Cats

If 5 cats can catch 5 mice in 5 minutes, how many cats do you need to catch 100 mice in 100 minutes?

Riddle Answer