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Three pipes A, B, C fill a tank in 6, 8 and 12 minutes respectively. Working together they fill it in:
A8/3 min
B10/3 min
C11/3 min
D13/3 min
Answer & Solution
Correct answer: A. 8/3 min
1. Combined rate = 1/6 + 1/8 + 1/12.
2. LCD 24: 4/24 + 3/24 + 2/24 = 9/24 = 3/8 of tank per minute.
3. Time = 8/3 minutes.
_Source: KMAT Karnataka 2022 PYQ Q.56_
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