A) 5 km/hr
B) 5-2 km/hr
C) 5-5 km/hr
D) 4-8km/hr
Correct Answer: D
Solution :
Average speed \[=\frac{2\times 6\times 4}{6+4}\] \[=\frac{2\times 6\times 4}{10}=4.8\,\,km/hr\]You need to login to perform this action.
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