A) \[\frac{13}{4}\] kmph
B) \[\frac{7}{2}\] kmph
C) \[\frac{15}{4}\] kmph
D) \[8\] kmph
Correct Answer: C
Solution :
Here\[,\] \[PQ=QP\] . \[\therefore\] Average speed \[=\frac{2\times 5\times 3}{5+3}=\frac{30}{8}=\frac{15}{4}\] kmYou need to login to perform this action.
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