Question
Download Solution PDFIf seven persons can build a house in 30 days, how long will it take three persons to build the same house, provided that they all work at the same rate?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
Seven persons can build a house = 30 days
Formula Used:
Total work = Number of people × Number of days
Calculation:
Total Work = 30 × 7 = 210 units
⇒ Number of days = 210/3 = 70 days
∴ 70 days they all work at the same rate.
The correct option is 2 i.e. 70 days
Last updated on Jun 12, 2025
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