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1. 20 workers can finish a task in 30 days. How many additional workers are needed to finish the same task in 25 days?
- A. 6
- B. 6
- C. 6
- D. 6
Answer: Option E
Explanation:
By 30 days a work is done by 20 workers
so by 25 days '' '' '' '' '' (20*30/25) = 24
So additional workers needed = 24 - 20 = 4
ans: 4 workers
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