Two taps A and B can fill a tank in 10 hours and 15 hours respectively. Both the taps are opened for 4 hours and then B is turned off. The time taken by A to fill the remaining tank is
Question and options
Two taps A and B can fill a tank in 10 hours and 15 hours respectively. Both the taps are opened for 4 hours and then B is turned off. The time taken by A to fill the remaining tank is
- hours
- hours
- 6 hours
- hours
Answer and explanation
Correct answer: D - \(\frac{10}{3}\) hours
Together A and B fill per hour, so in 4 hours is filled. The remaining at A's rate of per hour takes hours.
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CUSAT CAT Five-Year LL.B.
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