How many times can you subtract the number two from the number fifty?

I am the fastest animal but cannot climb the tree. What am I?

Can you count the number of triangles inside a triangle?

Can you make the number 24 by utilizing the numbers 1, 3, 4 and 6? You must use one number only one time and you can use mathematical operation symbols anytime anywhere.

A chess tournament is taking place on knock-out terms (the one who loses the match is out of the game).
(a) If 10 matches are played in total, how many players participated?
(b) If 20 players took part in the tournament, how many matches were played?

You find yourself in a strange place guarded by two guards.One of the guard always say truth while other always lies.You don't know the identity of the two.You can ask only one question to go out from there. What should you ask?

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

By moving just one matchstick, you need to make the below statement true. Can you do it?

What is red and smells like blue paint?

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?