Question

two taps can fill a tank in 10 hours and 15 hours respectively . find out the time taken to fill the tank when both taps are turned on simultaneously​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

$\frac{1}{10} + \frac{1}{15 } = \frac{3 + 2}{30}$

$\frac{5}{30} = \frac{30}{5} = 6 \: hours$