There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

What is harder to catch the faster you run?

You are playing as white and given four rooks to checkmate the black king in four moves with the following rules 1. You can place one rook every move and ensure the black king should be in check position.2. After four moves the black king should be in the checkmate position.

A train full of passengers goes through a tunnel. When the train comes out from the other end, there is no single person on the train.

How did it happen?

2 ladies and 2 girls need to cross a river in a boat big enough for 1 LADY or 2 girls. How do they do it?

On her drawing table, Sayna lit 12 coloured candles. A few seconds later she blew two candles off.

How many candles Sayna have at the end?

Andrew’s doctor gives him three pills and tells him to take one every half hour. How much time will have passed by the time Andrew’s taken all three pills?

What is 3/7 chicken, 2/3 cat and 2/4 goat?

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 ?

What can you hold in your right hand, but never in your left hand?