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

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

Asked by Neha on 17 Oct 2023


A network of 20 x 10 squares is given to you.

Can you calculate how many unique squares and rectangles can be formed combining two or more individual squares ?

Asked by Neha on 24 Jan 2021

I make two people out of one. What am I?

Asked by Neha on 29 Mar 2022


Three people are in a room. Ronni looks at the Nile. The Nile looks at Senthil. Ronni is married but Senthil is not married. At any point, is a married person looking at an unmarried person? Yes, No or Cannot be determined.

Asked by Neha on 01 Nov 2023

I am a type of food that is often found in the fridge and can be white in colour. What I am?
Hint 1: I am a dairy product.
Hint 2: You can spread me on the bread.

Asked by Neha on 30 Sep 2025

I got a bee but no honey.
got an eye but am still blind.
got a sea but no water.
got a tea but no coffee.
got a why but no answer.

What Am I?

Asked by Neha on 20 Mar 2024


I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

Asked by Neha on 28 Oct 2025

What does Alexander the Great and Winnie the Pooh have in common?

Asked by Neha on 17 Jul 2025

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

(it's a funny riddle)

Asked by Neha on 28 Jul 2023


Jessica is telling her friends this story and asks them to guess if it’s the truth or a lie: “There was a man sitting in a house at night that had no lights on at all. There was no lamp, no candle, and no other source of light. Yet, he sat in the house and read his book happily.” Her friends say she’s lying, but Jessica corrects them and says she’s telling the truth. Jessica’s story is true—but how?

Asked by Neha on 25 Jun 2025

Hot Articles

Amazing Facts

Challenging

There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.