Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

A four-digit number (not beginning with 0) can be represented by ABCD. There is one number such that ABCD=A^B*C^D, where A^B means A raised to the B power. Can you find it?

An artist while painting a scenic beauty, decides to paint three layers of blue colour on the sky.

Which layer will go on the first?

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

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

You stand in front of two doors. A guard stands next to each door. You know the following things: one path leads to paradise, the other leads to death. You cannot distinguish between the two doors. You also know that one of the two guards always tells the truth and the other always lies. You have permission to ask one guard one question to discover which door leads to paradise. What one question would you ask to guarantee you enter the door to paradise?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

You are in a room with no metal objects except for two iron rods. Only one of them is a magnet.
How can you identify which one is a magnet?