Two trains running in opposite directions cross a man standing on t – McqOptions

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1.	Two trains running in opposite directions cross a man standing on the platform in 27 seconds and 17 seconds respectively . If they cross each other in 23 seconds, what is the ratio of their speeds?
A.	Insufficient data
B.	3 : 2
C.	3 : 1
D.	1 : 3
Answer» C. 3 : 1

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