Question

A train travel at a Certain average speed for a distance of 63 km and then Travels a distance of 72 km at an average speed of 60 km per hour more than its original speed. If it takes 3 hour to complete the total journey that find the average original speed.

Answer 1

Answer:

Before solution....

Original average speed of train be X kilometre per hour

then the speed of the for the journey of 72 kilometre will be (X + 6) kilometre .

In last of question,

Since ,X is the average speed of train so X cannot be negative

hence the original average speed of train is 42 km per hour

Answer 2

Answer:

Hope it helps uhhh......