Question

Taps A and B can separately fill a tank in
10 hours and 15 hours respectively. Find the
time taken to fill the tank if both taps are
opened together.​

Answer 1

If both taps asr open, time taken to fill the whole tank together-

$\frac{1}{10} + \frac{1}{15}$

$\frac{3}{30} + \frac{2}{30}$

$\frac{5}{30 = \frac{1}{6} }$

By Reciprocal :-

$6hr$

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