Problem Solving (PS) | A bus travels from A to B at a constant speed, at which it should reac

lnm87 ,monikakumar ,
Here is the short answer

Distance between A and B= D km

At 80% speed,
(D-30) km causes additional 45 mins
(D-48) km causes additional 36 mins

(D-30)/(D-48) = 45/36
D=120 km --> 90/72 = 45/36 (Yes!)

FINAL ANSWER IS(E)

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