If 105 men can complete a work in 45 days, in how many days will 90 men complete the same work (assuming equal efficiency)?
- 50 days
- 52.5 days
- 55 days
- 60 days
Explanation
Work = Men × Days
So,
105 men × 45 days = 4725 man-days
Now, if 90 men are doing the same work:
4725 man-days ÷ 90 men
= 52.5 days
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- 120 km
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- 35 km
- 36.67 km
- None of these
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