There was a man he lives in a hotel each morning he presses the first floor button each evening if there is a person in the elevator he asks him to press the 10 floor button if there is no one in the elevator he takes the stairs why.

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

Which Travels Faster? Solve below famous picture riddle:

It can't be seen, can't be felt, can't be heard, and can't be smelt.
It lies behind stars and under hills, And empty holes it fills.
It comes first and follows after, Ends life, and kills laughter.
What is it?

I look at you, you look at me I raise my right, you raise your left. What am I?

10+10 and 11+11 can give you the same answer.

Explain how?

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

what does this below rebus represent identXQQQQQME

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

A network of 20 x 10 squares is given to you.

Can you calculate how many unique squares and rectangles can be formed combining two or more individual squares ?