Discussion

Explanation:

Let the speed of two trains be 7x and 8x km/hr.

Then, 8x =200/1= 200

∴ x =200/8 = 25

⇒ Speed of first train = (7 × 25) km/hr = 175 km/hr.

Hence, option (d).

» Your doubt will be displayed only after approval.


Doubts


Feedback

Help us build a Free and Comprehensive Preparation portal for various competitive exams by providing us your valuable feedback about Apti4All and how it can be improved.


© 2023 | All Rights Reserved | Apti4All