1.

Two trains each having length of 160 meters moving in the opposite direction crossed each other in 9 seconds. If one train crossed a 200-meter-long platform in 18 seconds, then the ratio of their speeds is:

A. 9 : 7
B. 2 : 3
C. 5 : 8
D. 3 : 4
Answer» B. 2 : 3


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