1.

Two trains, one 153 m long and the other 127 m long; coming from opposite directions crossed each other in 7.2 seconds. The combined speed of the two trains every hour would then be:_x005F_x000D_

A. 140 km/h
B. 105 km/h
C. 70 km/h
D. 280 km/h
Answer» B. 105 km/h


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