Mathematics · Time and Work
(n + 15) persons, each working for 9 hours a day, can complete 36% of a work in 8 days. (n + 9) persons can complete the remaining work in 20 days, if each of them works for 7 hours per day. In how many days can n persons complete twice the work if they work 4 hours per day?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1150 days
- 2125 days
- 3142.5 days
- 4137.5 days✓
Correct answer
137.5 days
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