What has one letter and starts with an E?

There is a box full of marbles,
all but two are blue,
all but two are green,
and all but two are red.

How many marbles are in the box?

A container contains 100 eggs. They can be either fresh or rotten. What is sure is the fact that there is at least one fresh egg in that container.

If you are asked to pick two eggs randomly from the container, at least one of them will be rotten.

Can you calculate how many eggs in that container are fresh?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

Look at me. I can bring a smile to your face, A tear to your eye, Or even a thought to your mind. But, I can't be seen. What am I?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

Below toothpicks/matchsticks indicate the group of fishes moving from west to east direction. Can you make them move from east to west by just moving three toothpicks/matchsticks?

A Child was born in Lahore, Pakistan.

Still child is not a Pakistani citizen.why ?

Can you move two match sticks to make it 430?