As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

This is a most unusual paragraph. How quickly can you find out what is so unusual about it? It looks so ordinary, you'd think nothing was wrong with it. Actually, nothing IS wrong with it. But it is not as ordinary as you might think. If you think about it for a bit, you will find out why it is truly so unusual. So what is it? What is so unordinary about this paragraph?

Find the smallest sentence with all the English alphabet.

How old is your son? asked a man to his neighbour. My son is five times as old as my daughter and my wife is five times as old as my son. I am twice as old as my wife whereas my grandmother, who is celebrating her eighty-first birthday is as old as all of us put together.

How old is the man's son ?

You need to arrange three 7 and mathematical symbols to form number 1?

If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

If six children and two dogs were under an umbrella, how come none of them got wet?

Solve the following series:
AZ, GT, MN, __, YB

Why is a river so rich ?