A) 38 kmph
B) 45 kmph
C) 43 kmph
D) 40 kmph
Correct Answer: C
Solution :
Average speed \[=\frac{30\times 2+40\times 3+50\times 5}{(2+3+5)}\] \[=\frac{430}{10}=43\,\,kmph\]You need to login to perform this action.
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