Two guards were on duty outside a barracks. One faced up the road to watch for anyone approaching from the North. The other looked down the road to see if anyone approached from the South. Suddenly one of them said to the other, "Why are you smiling?"

How did he know his companion was smiling?

What time is it when an elephant sits on a fence?

Why is the Hole below a Lock?

Two-person want to cross a river. Only one boat is present on the riverside that can carry only one person at a time.

However, they still manage to cross the river. How is it possible?

Count the Triangle in the figure given below:

How many times can you subtract the number two from the number fifty?

Why are all black people so quick ?

I have feet, but no legs. Which animal Am I?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

The doctor prescribed you to take one pill from the bottle every half an hour. The bottle is now left with only three pills.

How long do you think you have before you run out of pills?