John has eleven friends. He has a bowl containing eleven apples. Now He wants to divide the eleven apples among his friends, in such a way that an apple should remain in his bowl.
How can He do it?

A person is found murdered in his Chamber. When the crime scene is investigated, the Investigator find out that there is a calendar on which the victim has written a few numbers with his blood. The numbers are 4, 11, 11 and 4.

There are four suspects in the murder, John, Jacob, Anna and Lee. Can you find out who is the murderer?

There are 3 apples in the basket and you take away 2. How many apples do you have now?

Rectify the following equality 101 - 102 = 1 by moving just one digit.

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

I want to fill my bucket using both cold and hot water.
I have two taps for both cold and hot water. The hot water tap fills the bucket in exact 6 hours and the cold water tap fills the bucket in exact 4 hours.
I turn both of them simultaneously but I forgot to turn off another tap which removes the water out of the bucket. This tap can empty the bucket in 12 hours.

How Long will it take to fill the bucket?

I have an eye but still cannot see.

Who am I?

Give it food and it will live; give it water and it will die.

The dirtier I get, the whiter I look. Who am I?

I guess 76.8% of readers will like this riddle.

What's the least number of people should read this post?