Question

A car covers 30km at uniform speed of 60km/h and the next 30km at uniform speed of 40km/h. Find the total time

Answer 1

T1 = 30/60 = 1/2 hr
T2 = 30/40= 3/4 hr
Total time = 1/2+3/4
T = 5/4 Hr

Answer 2

Hope this will help you.