It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

How can you make number one disappear by adding something to it?

Count the number of triangles in the picture below:

In the addition below, all digits have been replaced by letters. Equal letters represent equal digits and different letters represent different digits.
ABCABA
BBDCAA
ABEABB
ABDBAA
------- +
AAFGBDH
What does the complete addition look like in digits?

What kind of storm is always in a rush?

The horse jumps over the king.
Strangely there is absolutely no scratch on him.

Can anyone explain, how is this possible?

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

What does a man do only once in his lifetime, but women do once a year after they are 29?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

In a town, there are four houses located at different distances from each other. Following are the distances:

The third house is 60 meters apart from the first house.
The fourth house is 40 meters apart from the second house.
The third house is 10 meters nearer to the fourth house than it is to the second house.

Can you find out the distance between the fourth and the first house?