Can you find the least possible number such that

If the number is divided by 3, it gives the remainder of 1;
If the number is divided by 4, it gives the remainder of 2;
If the number is divided by 5, it gives the remainder of 3;
If the number is divided by 6, it gives the remainder of 4.

What is the centre of gravity?

A man has a barrel filled with oil that weighs 100 pounds, and then he puts something into it. Now the barrel weighs less than 100 pounds. What did he put in the barrel?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

Why is the longest human nose just 11 inches?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

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

Find the next number in the series below

21 32 54 87 131 ?

There is a place where if I stand up straight, I will still be considered sideways.