A) 18
B) 20
C) 24
D) 25
Correct Answer: B
Solution :
Relative speed\[=90-75=15\,\,km/h\] Required time\[=\frac{\text{Distance}}{\text{Relative}\,\,\text{speed}}\] \[=\frac{5}{15}\,\text{h}=\frac{5}{15}\times 60=20\,\,\min \]You need to login to perform this action.
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