1.

 A train overtakes two persons walking along a railway track. The first person walks at 4.5 km/hr and the other walks at 5.4 km/hr. The train needs 8.4 and 8.5 seconds respectively to overtake them. Wh

A. 81 km/hr
B. 88 km/hr
C. 62 km/hr
D. 46 km/hr
Answer» B. 88 km/hr


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