![Train A takes 35 minutes more than train B to travel a distance of 460 km. Due to engine trouble speed of train B falls by](https://www.gkseries.com/blog/wp-content/uploads/2024/04/Train-A-takes-35-minutes-more-than-train-B-to-travel-a-distance-of-460-km.-Due-to-engine-trouble-speed-of-train-B-falls-by.jpg)
Train A takes 35 minutes more than train B to travel a distance of 460 km. Due to engine trouble speed of train B falls by a quarter, so it takes 30 minutes more than train A to complete the same journey. What is the speed of train A (in km/hr)?
a) 110
b) 90
c) 115
d) 120
Sol:
![](https://www.gkseries.com/blog/wp-content/uploads/2024/04/image-113-1024x650.png)
Time for train A = 195 + 35
= 230
3 hr. 50 min.
Speed of train A =
=460*6/23
= 60 × 2
= 120 km/h.