A) 12km
B) 8km
C) 6km
D) 5km
Correct Answer: A
Solution :
[a] Total distance = time \[\times \] Average speed \[2\times AB=7\times \left( \frac{2\times 4\times 3}{4\times 3} \right)=24\,\,km\] \[\therefore \,\,\,\,\,AB=12km\]You need to login to perform this action.
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