Question

plzz want solution ....answer is 84 men so PLZZ check and PLZZ anyone do not write anything other than solution I request​

Answer 1

Step-by-step explanation:

Let a be the extra number of men employed to complete the work in 7 days

Number of men   294    a

days            9        7

As we know,

the number of men hired and the time required to finish the piece of work are inversely proportional.

Therefore, 

294 × 9 = a × 7

2646/7 = a

378 =a

Thefefore, the number of extra men required to complete the job in 7 days = 378-294

= 84

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