Pipe A can fill a tank in 3 hours, pipe B can fill the same tank in 18 hours and pipe C can fill the same tank in 9 hours. If all three pipes are opened together, how much time (in hours) will they take to fill half of the same tank?
Subject: Mathematics | Topic: Arithmetic | Difficulty: MEDIUM
Options
- (A) 3
- (B) 2
- (C) 1
- (D) 4
Verified Answer
Option (C): 1
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