Question
Download Solution PDFA building may be repaired in 15 days by 27 individuals working 4 hours every day. How many days will it take 20 employees working nine hours per day to do the task?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
A building may be repaired in 15 days by 27 individuals working 4 hours every day.
Formula used:
Work = Number of Individuals × Number of Days × Number of Hours
Calculations:
Work done by 27 individuals in 15 days working 4 hours/day:
⇒ Work = 27 × 15 × 4
Now, let the number of days required for 20 employees working 9 hours/day be D.
⇒ Work = 20 × D × 9
Since the amount of work is the same, we can set the equations equal:
⇒ 27 × 15 × 4 = 20 × D × 9
⇒ 1620 = 180D
⇒ D = 1620 ÷ 180
⇒ D = 9 days
∴ The correct answer is option (2).
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