You have a basket containing ten apples. You have ten friends, who each desire an apple. You give each of your friends one apple.
Now all your friends have one apple each, yet there is an apple remaining in the basket.
How?

What am I?

A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?

Can you place six X (crosses) in below board without making three in a row in any way ?

You can hear me, but you can't touch or see me.

What am I?

How can you drop a raw egg from a height onto a concrete floor without cracking it?

How many times in a given day, minutes and hour clock comes in a straight line ?

What is the fastest way to double your money?

Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water.

How many frogs are there on the log at this moment?

What kind of band never plays music?