Move four matchsticks to the below square to form three squares?

Prove that the below maths equation is true.

8 + 8 = 91

How many times in a given day, minutes and hour clock comes in a straight line ?

It has horns but can’t beep. It is like to bleat but It is not a sheep. What is it?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

Can you find the key in the picture below?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

A container contains 100 eggs. They can be either fresh or rotten. What is sure is the fact that there is at least one fresh egg in that container.

If you are asked to pick two eggs randomly from the container, at least one of them will be rotten.

Can you calculate how many eggs in that container are fresh?

Which is the correct shadow of the bird?

What number do you get when you multiply all of the numbers on a telephone's number pad?