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 ?

Spot 5 differences in two Christmas tree below:

In the picture given below, can you find out which digit will take place of the question mark?

Distances from you to certain cities are written below.

BERLIN 200 miles

PARIS 300 miles

ROME 400 milesAMSTERDAM 300 miles

CARDIFF ??? miles

How far should it be to Cardiff ?

The sum of a mother, her baby and her dog's weight is 170 Kg. How much does the baby weigh if the mother weighs 100 kg more than the combined weight of the baby and the dog, and the dog weighs 60 per cent less than the baby?

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

Can you make a six-letter word using the letters N, A and B ?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?

Three ants are sitting at the three corners of an equilateral triangle. Each ant starts randomly picks a direction and starts to move along the edge of the triangle. What is the probability that none of the ants collide?