Question

plz answer my question.
I know that you are good in studies then me​

Answer 1

Step-by-step explanation:

I) 168 km. in. 60 min

xkm in 15 min

by direct proportioality

after solving (15 min=1/4 of 1 hr)

soin 15 min train covers 42 km

ii) similarly,

after soliving

X = 75min = 1hr 15 min