Question
Download Solution PDF24 men complete a work in 9 days. 3 days after they started working, 8 more men joined them. How many days will all of them take to complete the remaining work?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
24 men complete a work in 9 days.
8 more men join after 3 days.
Concept:
Man-days is a unit representing the work done by one person in one day.
Solution:
⇒ Total man-days required = 24 men × 9 days = 216 man-days
⇒ Man-days spent in the first 3 days = 24 men × 3 days = 72 man-days
⇒ Remaining man-days = 216 man-days - 72 man-days = 144 man-days
⇒ Total men after 3 days = 24 men + 8 men = 32 men
⇒ Remaining days = Remaining man-days/Total men = 144 man-days/32 men = 4.5 days
Hence, all of them will take an additional 4.5 days to complete the remaining work.
Last updated on Jul 8, 2025
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