Question
Pipe 'A' alone can fill 60% of a tank in 24 minutes and pipe 'C' is 25% more efficient than pipe 'A'. Pipes 'A', 'B' and 'C' together take 15 minutes to fill the same tank. If the tank develops a leak that can empty the fully filled tank in 2 hours, then find the time taken by pipes 'B' and 'C' together (along with leak) to fill half of the same tank, now.
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