What is more useful when it is broken?

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 ?

Can you count the number of squares in the figure below?

How many times do a clock's hands overlap in a day ?

A bomb exploded in a room full of married couples and no one died. How?

What does Alexander the Great and Winnie the Pooh have in common?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

Consider all the numbers between 1 and 1 million. Among all these numbers, there is something very special about the number 8 and the number 2202. What is it?

There is a barrel with no lid and some wine in it. 'This barrel of wine is more than half full,' said Curly. 'No it's not,' says Mo. 'It's less than half full.' Without any measuring implements and without removing any wine from the barrel, how can they easily determine who is correct?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?