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प्रश्न
15 men and 7 women can mow a field in 10 days. In how many days can 30 men and 14 women mow a field thrice as big as the previous one?
पर्याय
20 days
15 days
5 days
12 days
MCQ
उत्तर
15 days
Explanation:
15 men and 7 women can a mow field in 10 days, and thrice as big a field in 30 days. So when the labour is doubled i.e. 30 men and 14 women, time taken would be halved i.e. `30/2` = 15 days
[15 M + 7 W would take 30 days to mow as big a field]
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Time and Work (Entrance Exam)
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