Multiple choice

Working 7 hours in a day, 4 men can do a piece of work in 8 days. Working 8 hours in a day, the required number of men to perform the same work in 4 days will be एक दिन में 7 घंटे काम करते हुए, 4 आदमी एक काम को 8 दिनों में पूरा कर सकते हैं। एक दिन में 8 घंटे कार्य करते हुए समान कार्य को 4 दिनों में करने के लिए पुरुषों की आवश्यक संख्या होगी

  1. 8

  2. 4

  3. 7

  4. 9

  5. 12
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Work = men × hours × days = 4 × 7 × 8 = 224 man-hours. For the second scenario: 224 = M × 8 × 4 = 32M, so M = 224/32 = 7 men. The work remains constant, so the product of men, hours, and days must equal 224.

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