A) 150 km
B) 200 km
C) 400 km
D) 480 km
Correct Answer: D
Solution :[d] Let time taken by VB express = xh \[\therefore \] \[\left( x+2 \right)\times 60=x\times 80\] 60x + 120 = 80x 20x = 120 x = 6h \[\therefore \] Required distance \[=6\times 80\] = 480 km.
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