A) \[2\frac{1}{3\,}\,h\]
B) \[3\frac{1}{3}\,h\]
C) \[2\frac{2}{5}\,h\]
D) \[2\frac{2}{5}\,h\]
Correct Answer: B
Solution :
[b] Let t h be taken by B to fill the reaming tank. Then, according to the question, \[\frac{2}{6}+\frac{t+2}{8}=1\] \[\Rightarrow \] \[16+6\,t+12=48\] \[\Rightarrow \] \[28+6\,t=48\] \[\Rightarrow \] \[6\,t=48-28\] \[\Rightarrow \] \[t=\frac{20}{6}=\frac{10}{3}=3\frac{1}{3}\,h\] |
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