You measure my life in hours
I serve you by expiring
I vanish faster when I am thin
and slower when I am thick
The wind is my energy
What am I?

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

How can a man go eight days without sleep?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

In a basket of apples,
when counted in twos, there was one extra
when counted in threes, there were two extra when counted in fours, there were three extra
when counted in fives, there were four extra
when counted in sixes, there was five extra.

However, if the apples were counted in sevens, no extra apple was left. Can you calculate the minimum number of apples that were present in the basket?

Can you find out which options fits best with the missing column?

What you cannot hold but it is yours?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

Prove that twice of ten is the same as twice of eleven.

Replace the question mark with the correct number in below Picture: