Measure by Hourglass

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?




Similar Riddles

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

Asked by Neha on 18 Feb 2022


Who is generally closer to the kids, mom or dad?

(it's a funny riddle)

Asked by Neha on 28 Jul 2023

Which letter of the alphabet has the most water?

Asked by Neha on 03 Aug 2025


Suppose that you are trapped on the surface of a frozen lake. The surface is so smooth and ideal that there is no friction at all. You cant make any grip on the ice and no wind is blowing to help you out. You have just a mobile phone with you which has got no reception disabling you to call for help.

How will you plan your escape before you freeze to death on the frozen lake?

Asked by Neha on 25 Dec 2020

A woman is sitting in her hotel room and hears a knock at the door. She opens the door to see a man whom she’s never met before. He says, “I’m sorry, I have made a mistake, I thought this was my room.” He then goes down the corridor and into the elevator. The woman goes back into her room and calls security. What made the woman so suspicious of the man?

Asked by Neha on 22 May 2025

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

Asked by Neha on 22 Mar 2025


If "P" means "-", "Q" means "/", "R" means "+", and "S" means "*" then find the value of the following:

21 Q 7 R 9 S 10 P 13

Asked by Neha on 16 Oct 2025

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?

Asked by Neha on 24 May 2024

I’m tall when I’m young, and I’m short when I’m old. What am I?

Asked by Neha on 07 May 2022


Can you spot the hidden girl in the picture below?

Spot the Girl

Asked by Neha on 06 Feb 2025

Hot Articles

Amazing Facts

Gamers

In 2011, people playing Foldit, an online puzzle game about protein folding, resolved the structure of an enzyme that causes an Aids-like disease in monkeys. Researchers had been working on the problem for 13 years. The gamers solved it in three weeks.