A) 35.55 km/hr
B) 36 km/hr
C) 71.11 km/hr
D) 71 km/hr
Correct Answer: C
Solution :
Total time taken \[=2.5+2\] \[=4.5\,\,hours\] Now, the required average speed \[=\frac{320}{4.5}\] \[=71.11\,\,km/hr\]You need to login to perform this action.
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