Question

Guys step wise Solution please

Answer 1

Hey!!!!

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Given,

ratio of speed of three trains : 3:4:5

let their speeds be 3x,4x and 5x

We know speed = distance/time
=> time = distance/speed
Since the distance is fixed, let the fixed distance be y km.

Then time taken by

1. Train 1 = y/3x

2. Train 2 = y/4x

3. Train 3 = y/5x

For Ratio part refer to the attachment

Thus the ratio of their time is
=> 3 : 4 : 5

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Hope this helps ✌️