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1. If 14 farmers can plough a field in three hours, how long will it take 15 farmers to do the same job?
- A. 120 minutes
- B. 120 minutes
- C. 120 minutes
- D. 120 minutes
Answer: Option B
Explanation:
Given, 14 farmers can plough a field in 3hours = (3 * 60) = 180 minutes
let, 15 farmers can do the same job in x minutes
ATQ,
14 * 180 = 15 * x
or, x = (14 * 180)/ 15
∴ x = 168
ans: 168 minutes
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