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Question

# 9 masons working 25 days a month for 8 months can build a platform of width 60 meters, length 10 meters and height 28 meters. How many months will 12 masons working 30 days a month take if they have to build a platform of width 200 meters, length 14 meters and height 36 meters?

A

30

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B

24

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C

20

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D

18

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E

25

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Solution

## The correct option is A 30 9 workers work for 25 days a month for 8 days = 60×10×28 12 workers work for 30 days a month for ‘n’ days =200×14×36 Taking the ratio, n = 30 months

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