- A30
- B31
- C32
- D40.8
Step-by-Step Solution
Total work = labourer-days; with 28 labourers it takes 840 / 28 = 30 days.
Answer: A) 30
24 labourers can dig an irrigation canal in 35 days. If 28 labourers are employed instead, working at the same rate, how many days will the canal take?
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