Math the Magic

Find the next number in the sequence

5 12 24 36 ?




Similar Logic Riddles

You have two buckets - one holds exactly 5 gallons and the other 3 gallons. How can you measure 4 gallons of water into the 5 gallon bucket?

(Assume you have an unlimited supply of water and that there are no measurement markings of any kind on the buckets.)

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What is the original number on number plate?

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I am thinking of a five-digit number such that:
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What number I am thinking of?

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There was a competition where the contestants had to hold something. At the end of the event, the winner was a person who had no hands or feet. What was it that the contestants had to hold?

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I have Rs.50 and I spend it in the way as below.

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I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?

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How do you measure 45 minutes?

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Replace the question mark with the correct number below.

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Can you solve this amazing hard number series problem?
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Jigsaw puzzles

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