Can you count the number of matches in the picture below ?

What is the word or phrase?

I am an odd number. Take away a letter and I become even. What number am I?

There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way (other than the eyes). Where can you place an apple so that all but one person can see it?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

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

Can you find a number that lies one third of the distance between 1/3 and 2/3?

You are stuck on an island where you have nothing. You find four pieces of paper somewhere on the island. What will be your strategy to escape from the island safely?

PS: No other resource is available to you on the island, neither can you build anything.

What does this simple rebus mean?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.