Question (15/42)
Two trains running in opposite directions cross a man standing on the platform in 27 seconds and 17 seconds respectively, and they cross each other in 23 seconds. What is ratio of there speeds ?(A) 1 : 3
(B) 3 : 2
(C) 3 : 4
(D) 2 : 5
Question (16/42)
Two trains, each 100 meter long, moving in opposite directions, cross each other in 8 seconds. If one train is moving twice as fast as other, then what is speed of the faster train ?(A) 30 km/hr
(B) 45 km/hr
(C) 60 km/hr
(D) 75 km/hr