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Post-UTME General Knowledge (Current Affairs) 2012 Objective — Question 38

Question 38 of 40 from the Post-UTME Screening (Post-UTME) General Knowledge (Current Affairs) 2012 Objective paper, with the correct answer and a full explanation.

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If it takes 15 men 6½ days to build a house, how many houses can they build in 45 days?

  • A. 3days
  • B. 7daysCorrect
  • C. 8days
  • D. 5days

Explanation

15 men complete one house in 6.5 days (97.5 man-days/house). In 45 days they produce 15×45 = 675 man-days, i.e. 675/97.5 ≈ 7 houses.

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