You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up.

In how many different ways you can climb 10 stairs?

If,
29 - 1 = 30
9 - 1 = 10
14 - 1 = 15

Based on similar logic, Can you prove that the below algebraic equation is true?
11 - 1 = 10 ?

13 decks of cards have been mixed. What is the minimum number of cards that must be taken out from the above-mixed cards to guarantee at least one 'four of a kind?

Identify the hidden meaning behind this picture?

What is at the end of a rainbow?

Look at the picture and find out which square is not linked with any of the other squares.

I am quite hot but become too cold if you remove the first two letters. What am I?

If eleven plus two equals one, what does nine plus five equal?

What does this rebus means ?

A Child was born in Lahore, Pakistan.

Still child is not a Pakistani citizen.why ?