Question

Two trains having length 140 m and 160m with their respective speed 36km/hr and 54km/hr are moving in opposite direction crosses each other. Find the time taken to cross each other
a) 95
b) 105
c) 115
d) 125
​

Answer 1

Answer:

105

Step-by-step explanation:

19183y373930394836739303iryrur

Answer 2

Step-by-step explanation:

Relative speed =(60+40)km/hr=(100×185)m/sec=(9250)m/sec.

Distance covered in crossing each other =(140+160)m=300m

Required time =SpeedDistance=(9250)300=(300×2509)sec=554sec=10.8sec.