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Throwing and Catching at Same Height

While climbin...

Question

While climbing a tower with 180 steps a man rests after every 30 steps for 2 minutes How long did he rest before reaching the top?

A

10 minutes

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B

12 minutes

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C

18 minutes

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D

15 minutes

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Solution

The correct option is D 10 minutes
There are $180$ steps in total. If the man is stopping after $30$ steps the total times he'll stop is $180 \div 30 = 6$ times.

Because the sixth time he'll already reach the top so before reaching the top he'll stop 5 times.

Each stop is of $2$ minutes so the total time he took to rest is,
$2 \times 5 = 10$

He rests for $10$ minutes.

Option A is the correct answer.

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