Two Trains starting at same time from two stations 320km apart and – McqOptions

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1.	Two Trains starting at same time from two stations 320km apart and going in opposite directions cross each other at a distance of 140km from first stations. What is the ratio of their speeds
A.	6:7
B.	4:7
C.	7:9
D.	7:11
Answer» D. 7:11

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