You need to pick one entry from pot A and one from pot B to have a perfect match. Can you do it?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

Two guards were on duty outside a barracks. One faced up the road to watch for anyone approaching from the North. The other looked down the road to see if anyone approached from the South. Suddenly one of them said to the other, "Why are you smiling?"

How did he know his companion was smiling?

Count the number of triangles in the picture below:

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

A Child was born in Lahore, Pakistan.

Still child is not a Pakistani citizen.why ?

Can you find out the remainder when 3^300 is divided by 5?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

One day, I thought of ways that can be used for creating a palindrome. So I decided that I will turn into a larger number by adding the reversed digits to the original number and keep doing it till I finally obtained a palindrome.

I am not sure if this process will always result in a palindrome eventually but I was able to produce a four-digit palindrome. Can you guess my starting number?

A man is found hanging dead from the ceiling of a room. The room’s dimensions are 15 x 15 x 15. The man is only 6ft tall and the rope was only 2ft long. There are no windows and only one door to the room. The door is bolted shut from the inside, and a puddle of water is under the man. How did he kill himself?