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Q30 Men can do a piece of work in 16 days .How many men would be required to do the same work in 20 days?
ID: #5615
Chain Rule
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#5615Q ID
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Chain RuleTopic
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Correct Answer: Option B
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Solution
let the required number of men be x.
more days ,less men(Indirect proportion)
20:16::30:x
20x=16×30
x=16×30/20
x=24
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