Time Measurement

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?




Similar Riddles

We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?

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Can you find the missing number in the third row?
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5 2 ?

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A Car driver was heading down a street in Washington. He went right past a stop sign without stopping, he turned left where there was a 'no left turn' sign and he went the wrong way on a one-way street. Then he went on the right side of the road past a cop car. Still, he didn't break any traffic laws. Why not?

Car Driver Going Wrong

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What two things can you never eat for breakfast?

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Look at the picture and find out which square is not linked with any of the other squares.

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John asked Jack, "The time right now is 7 pm. Can you tell me what will be the time 23, 999, 995 hours later ?"

While Bella does not know the answer, do you ?

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The below given figure comprises of a pattern through which you can determine the missing letter. Can you push your mind to find the pattern and add the missing letter?

Replace the (?)

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You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

Movie in Maths

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During an interview, the interviewer ordered hot coffee for the candidate to relieve the stress. The coffee was kept before him. After a minute, the interviewer asked him, 'What is before you?' He replied 'Tea'.

The candidate was selected immediately. Why?

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Can you tell a 3D object that has just two surfaces?

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Amazing Facts

Word ladder puzzle

The word ladder puzzle was invented by Lewis Carroll, author of Alice’s Adventures in Wonderland.