A man has a barrel filled with oil that weighs 100 pounds, and then he puts something into it. Now the barrel weighs less than 100 pounds. What did he put in the barrel?

Prove that the below maths equation is true.

8 + 8 = 91

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?

What will you call your mother's brother's brother-in-law?

How is the moon similar to a dollar?

An old Woman left INR 33,333 to be divided equally among two fathers and two sons and each was to receive INR 11,111.
How was this possible?

What does a man do only once in his lifetime, but women do once a year after they are 29?

What has many teeth, but cannot bite?

Can you make the number 24 by utilizing the numbers 1, 3, 4 and 6? You must use one number only one time and you can use mathematical operation symbols anytime anywhere.

What has one eye, but can’t see?