I have two coins.
* One of the coins is a faulty coin having a tail on both sides of it.
* The other coin is a perfect coin (heads on side and tail on other).

I blindfold myself and pick a coin and put the coin on the table. The face of the coin towards the sky is the tail.

What is the probability that another side is also tail?

John bought 150 chocolates but he misplaced some of them. His Father asked him how many chocolates were misplaced.
He gave the following answer to him:
If you count in pairs, one remains
If you count in threes, two remain
If you count in fours, three remain
If you count in fives, four remain
If you count in sixes, five remain
If you count in sevens, no chocolate remains.

Can you analyze the statements and tell us how many chocolates were lost?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

Take one out and scratch my head, I am now black but once was red. What am I?

There was a strange boy who was born before his father. How can this be possible?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are there in the family?

Can you count the number of triangles inside a triangle?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?