Question

A train travels 2 stations xand y while going from x to y its average speed is 72kmph and while coming back from y to x its average speed is 63kmph find the average speed of the train during the whole journey​

Answer 1

Answer:

average speed of whole journey  =67.5 kmph

Step-by-step explanation:

2 stations x and y

x to y its average speed is 72kmph

y to x its average speed is 63kmph

average speed of whole journey =​ ( 72+63)/2

                                                       =135/2

                                                       =67.5 kmph

average speed of whole journey  =67.5 kmph