John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

Move three sticks of the spiral below to form a square.

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

If two fifty-foot ropes are suspended from a forty-foot ceiling that is twenty feet apart, how much rope will you be able to steal if you have a knife?

What time is it when an elephant sits on a fence?

What has many teeth, but cannot bite?

If an earthquake is 1 point higher on the Richter Scale than another earthquake which is actually 10 times stronger, how much stronger would an earthquake be if it was just half a point higher on the Richter scale?

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

Find three numbers such that

* When we multiply three numbers, we will get the prime numbers.
* The difference between the second and the first number is equal to the third and second.

In a football game, Christina defeated Teresa by 2 - 0 but no man from either side scored. How can this be possible?