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?

What can you deduce from the following BrainBat?

CRY
LMKI

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

In a contest, four fruits (an apple, a banana, an orange, and a pear) have been placed in four closed boxes (one fruit per box). People may guess which fruit is in which box. 123 people participate in the contest. When the boxes are opened, it turns out that 43 people have guessed none of the fruits correctly, 39 people have guessed one fruit correctly, and 31 people have guessed two fruits correctly.
How many people have guessed three fruits correctly, and how many people have guessed four fruits correctly

Replace the question mark with the number below given a simple math problem.

What are the 50th, 63rd and 100th numbers in the sequence below?
4, 5, 8, 8, 9, 9, 12, 13, 13, 13, 17, 18, ...

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

Can you name some countries which do not have the alphabet 'A' in them?