A car travels first 300 kms at an average rate of 20 kmph and further travels th May 24, 2022 by admin โช Choose the correct option.A car travels first 300 kms at an average rate of 20 kmph and further travels the same distance at an average rate of 60 kmph. Determine the average speed of the car over the whole journey.A. 35 kmphB. 40 kmphC. 45 kmphD. 30 kmph Submit Answer