Two trains A and B start simultaneously in the opposite direction from two points P and Q and
arrive at their destinations 16 and 9 hours respectively after their meeting each other. AT whatspeed does the second train B travel if the first train travels at 120 km per hour.
(A) 90 km/h
(B) 160 km/h
(C) 67.5 km/h
(D) none of these
Answers
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Explanation:
S1/S2 =ROOT T2/T1
=120/S2=ROOT 9/16=3/4
=S2= 160Km/h
Answer:(B)160Km/h
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