Question

1 nal 10 hour me 1 tanki ko bharta hai aur dusra nal 12 hour me khali karta hai bataye dono nal milke kitne hour me bharta hai
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Answer 1

Answer:

1 nal 10 hour me 1 tanki ko bharta hai,

Speed

$\frac{1}{10}$

aur dusra nal 12 hour me khali karta hai

$- \frac{1}{12}$

To dono nal milke bharta hai

60 hours me.

$\\ \frac{1}{10} - \frac{1}{12} \\ = \frac{12 - 10}{120} \\ = \frac{2}{120} \\ = \frac{1}{60}$