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| Last visit was: 23 Apr 2026, 03:08 |
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Difficulty:
Question Stats:
84% (02:29) correct
16%
(02:12)
wrong
based on 38
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History
| Men | Efficiency (units/hr) | time | total work |
| 40 M | =200/60 | 60 | 200 |
| 1 M | =200/(60*40) =1/12 | ||
| 1 M | new efficiency =0.8/12 =1/15 | ||
| 60 M | =60/15 =4 | ||
| 60 M | 4 | =800/4 =200 | 800 |
| Ans | 200 |
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