Question

1.
2.
3.
4.
Answer (Detailed Solution Below)

Option 3 : $18$ / $18$

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Detailed Solution

सही उत्तर $18$ / $18$ है।

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Question:

$12$ men can finish a work in $15$ days. How many men are needed to finish the same work in $10$ days? / $12$ व्यक्ति एक काम $15$ दिनों में पूरा कर सकते हैं। उसी काम को $10$ दिनों में पूरा करने हेतु कितने व्यक्ति चाहिए?

1.
$15$ / $15$
2.
$20$ / $20$
3.
$18$ / $18$
4.
$24$ / $24$

Correct Answer: $18$ / $18$

Total work $= 12 \times 15 = 180$ man-days; men needed $= \frac{180}{10} = 18$. / कुल काम $= 12 \times 15 = 180$ व्यक्ति-दिन; आवश्यक व्यक्ति $= \frac{180}{10} = 18$।

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