Six glasses are in a row. The first three are filled with milk and the last three are empty. By moving only one glass, can you arrange them so that the full and the empty glasses alternate?

A father's child, a mother's child, yet no one's son.

Who am I?

Can you name an animal whose killing cannot be performed without spilling your own blood?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

You and your two friends are working in a multinational company. How can you three find out the average salary of you all without disclosing your own salary to the other two?

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

What do you get if you add 2 to 100 four times?

John was driving a bus and got stuck when passing through an underpass. Then came Jacob with a needle and got the bus out of the underpass.

What did the boy do?