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

I am a word of 12 alphabets.

* Alphabets 12, 4, 7, 2, 5 : Eastern beast of burden
* Alphabets 1, 8, 10, 9 are street made famous by Sinclair Lewis.
* Alphabets 11, 3, 6 are past.

On whole it means a person suffering from delusions of greatness.

What Is it ?

Asked by Neha on 05 Jul 2021


Can you divide the below-given shape into four equal and identical pieces?

Divide in Equal Shape

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Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

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You are in a room with no metal objects except for two iron rods. Only one of them is a magnet.
How can you identify which one is a magnet?

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Replace the question mark with the correct number in the below-given picture?

Number Riddle

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You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

Asked by Neha on 16 May 2022


Until it is measured, not known. Yet how you miss it when it has gone. What is it?

Asked by Neha on 30 Jul 2025

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

Asked by Neha on 16 Dec 2023

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

Asked by Neha on 23 Feb 2023


What word does this rebus represent?

meta meta
meta meta

Asked by Neha on 11 May 2021

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Amazing Facts

Jigsaw puzzles

Jigsaw puzzles soared in popularity during the great depression, as they provided a cheap, long-lasting, recyclable form of entertainment.