- A9
- B8
- C7
- D16
Step-by-Step Solution
Total work = man-days. In 6 days, 20 men do man-days, leaving 360 - 120 = 240. Now 30 men work: more days.
Answer: B) 8
20 men can dig a canal in 18 days. After working 6 days, 10 more men join. In how many more days is the work finished?
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