On a 120 kilometre track A train travels first thirty kilometre at speed of 30 kilometre per hour how fast but the train travel the next 90 kilometre so as to average 60 kilometre for the entire trip
Answers
Answered by
1
if helpful mark as brainlist
Attachments:
![](https://hi-static.z-dn.net/files/d05/02309b5d7896e50329b1a84f8bd385eb.jpg)
Similar questions