2 trains starting at the same time from 2 stations 200km apart and going in opposite direction cross each other at a distance of 110km from one of the stations.what is the ratio of their speeds ? Answers: A) 11 : 9 B) 11 : 2 C) 91 : 9 D) 11 : 1 E) 11 : 5

Rationale: in same time , they cover 110 km & 90 km respectively so ratio of their speed = 110 : 90 = 11 : 9 answer : a
Answer: A