- A24 h
- B6 h
- C8 h
- D12 h
Step-by-Step Solution
Together: units/h, tank = 24 units. A alone: h. (12 h is B, 24 h is C.)
Answer: C) 8 h
The efficiencies of pipes A, B and C are in the ratio 3 : 2 : 1. Together they fill a tank in 4 hours. How long would A alone take?
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