CAT 2025 Time and Work Question (Medium)

Question

The rate of water flow through three pipes A, B and C are in the ratio 4 9 36. An empty tank can be filled up completely by pipe A in 15 hours. If all the three pipes are used simultaneously to fill up this empty tank, the time, in minutes, required to fill up the entire tank completely is nearest t

Accepted Answer

Let the rate of flow of water from pipe A be 4x units per hour. From the ratio of the rates of flow of water 4 9 36 , we have that the rate of flow of water from pipe B should be 9x units per hour, and from pipe C should be 36x units per hour. Since pipe A fills the empty tank in 15 hours, the capac

CAT 2025

Quantitative

Time and Work

Medium

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