There are 2 sand hourglasses. The small one can measure 5 hours and the large one can measure 7 hours. How can we measure 16 hours with 2 sand hourglasses running together ?
When I get multiplied by any number, the sum of the figures in the product is always me. What am I?
Find the next number in the series below 21 32 54 87 131 ?
Why Aeroplane windows are round?
Who has married many women but was never married?
They are three errirs in this question. Can you find them?
Solve the equation by replacing the alphabet with numbers. MOM + MOM + NO = BOOK=
John is asked to stand behind Jacob and Jacob is asked to stand behind John. Both of them feel confused about it and don't know what to do? But it is quite possible, do you know how?
He does not have any heart but still, He manages to live. If you kill him, you will eventually die but yet you kill him. He cannot run, who is He?
In a boat, the father of a sailor's son is sitting with the son of the sailor. However, the sailor is not present on the boat. Can this even be possible?
In which direction should the missing arrow point?
In Canada, a mathematical puzzle must be solved in order to win the lottery to classify it as a “game of skill” not gambling.