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?

A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?

I have an eye but still cannot see.

Who am I?

Which is the smallest number that you can write using all the vowels exactly once?

Why is it very easy to weigh a fish?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

Can you divide the below-given shape into four equal and identical pieces?

I can write cow in 13 letters.

Can You?

What is so fragile that saying its name breaks it?