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

Explain how?

Find the missing number in the sequence below:

Who has married many women but was never married?

What is the centre of gravity?

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

ST ND RD TH '?'

Which is faster, Heat or Cold ? Explain.

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

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

On a certain day, John celebrated his birthday. Two days later, his older twin brother Jacob celebrated his birthday.

Is this even possible? How can it be?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?