Question

13. A certain number of men can do a work in 70 days. If there were 2 men less it could be finished in 10 days more. How many men were there.? (a) 15 men (b) 17 men (c) 16 men (d) 12 men (e) None of these ​

Answer 1

Answer:

suppose number of men=x

so total work need to complete is 70x

now if 2 men less than it will take 10 more days

so 70x=(x-2)*80

so 7x=8x-16

so x=16

so 16 men are there

Step-by-step explanation:

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