Question
Download Solution PDFA can complete a work in 18 days, while B can complete it in 12 days. B worked on it for 4 days. How long will A take to finish the remaining work?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
A can complete a work = 18 days.
B can complete a work = 12 days.
Formula used:
Total work = efficiency × time
Calculation:
| Efficiency | Person | Time | Total work |
| 2 | A | 18 | 36 |
| 3 | B | 12 |
According to the question:
⇒ (B × 4) + A × D = 36
⇒ (3 × 4) + 2 × D = 36
⇒ 2 × D = 36 - 12
⇒ D = 24/2 = 12
∴ The correct answer is 12 days.
Last updated on Jul 7, 2025
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