A car covers the first half of the distance between two places at a speed of `40 kmh^(-1)`
Channel: Doubtnut
Date: 2021-11-02

A car covers the first half of the distance between two places at a speed of `40 kmh^(-1)` and  the second half at`60 kmh^(-1)` the next 15 minutes,and then with a speed of `60 kmh ^(-1)`.what is the average speed of the car ?