Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?

There was a blind man. He had four socks in his drawer either black or white. He opened it and took out two socks. Now the probability that it was a pair of white socks is 1/2.

Can you find out the probability that he had taken out a pair of black socks ?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

Different lights make me strange by changing me into different sizes. What am I?

You are in a room that has three switches and a closed door. The switches control three light bulbs on the other side of the door. Once you open the door, you may never touch the switches again. How can you definitively tell which switch is connected to each of the light bulbs?

1. What does:
TIM JOB
represent?

2. What does:
MO_ _
represent?

How can a man go eight days without sleep?

I can turn polar bears white.
I can make anyone dance.
I can make everyone cry
I can make your hands clap
I can make you thin.
I can make you smile.
I can make you smile

Can you guess the riddle?

There was a blind beggar living on the footpath of a street. Suddenly one day, the beggar's brother died. What was the relation of the blind beggar with the person who died?

PS: Brother is not the answer.