Question

A train covers a distance of 670km in 6h 5min. If it covers the first 390km of the journey at 90km/h, find its speed for the rest of the journey.​

Answer 1

Answer:

364kmph

Step-by-step explanation:

Time taken to cover 390km is 90km/h390km=4h20min

Remaining distance =670−390=280km

Remaining time =6h5min−4h20min=45min=0.75h

Speed =0.75280=364kmph

Answer 2

Answer:

$Time taken to cover 390km is 90km/h390km​ =4h20minRemaining distance =670−390=280kmRemaining time =6h5min−4h20min=45min=0.75hSpeed = 0.75280​ =364kmph$

Step-by-step explanation: