A) \[3\frac{1}{3}\]h
B) 6 h
C) 10 h
D) \[13\frac{1}{3}\]h
Correct Answer: C
Solution :
Net part emptied by both in 1 \[h=\left( \frac{1}{5}-\frac{1}{8} \right)=\frac{3}{40}\] \[\frac{3}{40}\]part is emptied in 1h. \[\frac{3}{4}\]part will be emptied in\[\left( \frac{40}{3}\times \frac{3}{4} \right)\,\,h=10\,\,h\]You need to login to perform this action.
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