Question

It takes 6 hours per day for 20 workers to prepare 35 articles. How many more hours per day are required by 15 workers to do the same work?
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Answer 1

Answer:

Correct option is

D

2074days

8 men working for 9 hours a day can complete a piece of work in 20 days

8 men working for 1 hour a day can complete the work in (20 x 9) days (Less hours, More days)

1 man working for 1 hour a day can complete the work in (20 x 9 x 8) days (Less men, more days)

1 man working for 10 hours a day can complete the work in (1020×9×8) days

7 men working for 10 hours a day can complete the work in (7×1020×9×8) days = 7144 days = 2074 days

Step-by-step explanation:

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