Question

7 persons working for 8 hours a day can complete a work in 13 days

Answer 1

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Answer 2

Answer: 7 days

Case I :

Total no of working hours = (7×8×13) hours

= 728 hours

Case II :

Let days required to complete the work be 'X'

Then total no of working hours would be = 6.5×16×X

Equating working hours we get

6.5×16×X=728

X=728÷104

X=7 days