If 500 people complete a work in 25 days and they work for 12 days, then 300 people will complete the remaining work in how many days?
- 15 days
- 21⅔ days
- 25 days
- None of these
Explanation
Total work = people × days = 500 × 25 = 12500 person-days
Work done in first 12 days by 500 people = 500 × 12 = 6000 person-days
Remaining work = 12500 - 6000 = 6500 person-days
Now 300 people will do the remaining work.
Days needed = Remaining work / people = 6500 / 300 = 21⅔ days
Last verified on 05-09-2026
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