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Two trains starting at the same time from two-stations 300 km apart and going in opposite directions, cross each other at a distance of 160 km from one of them. The ratio of their speeds is :

a) 7 : 9
b) 16 : 20
c) 8 : 7
d) 8 : 12

Answer: c
Explanation: A → ___160________Meeting____140_____← B
Ratio of their distance covered = $$\frac{{160}}{{140}}$$ = 8 : 7
Ratio of their speeds = 8 : 7 [When time is constant Speed is proportional to Distance covered]

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