A) 26.67 km/h
B) 35 km/h
C) 16.56 km/h
D) 17.89 km/h
Correct Answer: A
Solution :
Required average speed\[=\frac{400}{\frac{200}{40}+\frac{200}{20}}=\frac{400}{15}\]\[=26.67\,\,km/h\]You need to login to perform this action.
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