Question

On a journey of 100km on a national highway, a car travels the first 40km with a uniform Speed of 60km/hr. How fast should the car travel for the next 60km so that an average Speed of 80km/hr is maintained for the whole trip?
$\fbox\red{please solve the answer I need it urgent :-}$​

Answer 1

Answer:

80 km/HR

this is the correct answer