How can you take 2 from 5 and leave 4?

You can see it everyday, But cannot touch it at will. What is it?

What does this rebus puzzle means ?

When we see 2 but call 10?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

While going to your grandmother's house, you counted Twenty houses on the right side. While returning back to your home, you counted Twenty houses on the left side.

How many houses are there between your home and your grandmother's home?

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

Krish is 45 years old and his mother Crishtina is 73 years old.

Can you find out how many years ago, his mother was three times his age?

A woman lives in a Tall building thirty-six floors high and served by several elevators which stop at each floor going up and down. Each morning she leaves her apartment and goes to one of the elevators. Whichever one she takes is three times more likely to be going up than down. Why?

On a charity event in Russia, Murray beat Djokovic by winning six games and losing three games.
Note: There is a total of 5 service breaks(one who serve lost the game).
Who served first, Djokovic or Murray?