A caer travelled the first third of a distance (x) at a speed of `10 km//h`, the second third at
Channel: Doubtnut
Date: 2020-07-26

A caer travelled the first third of a distance (x) at a speed of `10 km//h`, the second third at a speed of ` 20 km//h` and the last third at a speed of ` 60 km//h`. Determine the average speed of the car over the entire distance (x).