How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

The more it dries, the wetter it becomes. Can you tell what it is?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

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

Find the Goldfish below the given Image.

You need to move three matchsticks to form three squares. Can you do it?

What is next number in the pattern below:

131 517 192 123 ?

You are a cab driver who pools passengers. You pick 3 people from a destination and drop 1 after an hour. 2 people climb aboard at the same time and you drop 3 at the next destination. After some time, you pick 2 passengers only to drop 1 after a short distance where 3 more passengers climb up the cab. You leave the rest of the passengers one by one to their destination and then come back home.

Can you tell the eye color of the cab driver?

Prove that the below maths equation is true.

8 + 8 = 91

Why is 6 afraid of 7?