Q: Two trains each 200m long are moving in opposite directions. They cross each other in 10 seconds. If the speed of one train is 90 km/h, find the speed of the other train.
A.
54 km/h
B.
36 km/h
C.
90 km/h
D.
45 km/h
Correct Answer:
Option A -
Explanations:
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