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Question

A spider climbed 62.5% of the height of the pole in one hour and in the next hour covered 12.5% of the remaining height. If the height of the pole is 192m, then the distance climbed in the second hour is


A

3m

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B

5m

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C

7m

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D

9m

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Solution

The correct option is D

9m


Explanation for correct option:

Height of pole =192m

Distance covered by the spider in one hour =62.5%of192m

=62.5100×192=120m

Remaining height =192-120

=72m

12.5% of remaining height =12.5100×72=9m

Distance climbed in second hour=9m

Hence option (d) is the correct answer.


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