What is always in front of you but can’t be seen?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

'Ferrari driver' easily beats the 'force driver' in a two-car race. How did Indian newspapers truthfully report so to look as a 'force drive' had outdone the 'Ferrari driver'? Think!!!

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

Solve the mathematical equation in the picture below.

I am the fastest animal but cannot climb the tree. What am I?

In the picture given below, can you find out which digit will take place of the question mark?

A few friends are enjoying their sea voyage in a boat full of apples. On the way, they felt hungry and thus decided to eat the apples. Together, they ate two dozen of apples. When they have eaten the apples, will there be any change in the water level?

What has many teeth, but cannot bite?

People make me, save me, change me, raise me. What am I?