A car cover two distances 540 km and 225 km at the speed of 15 km/hr. What is the difference between the time (in hours) taken to cover 540 km and 225 km?
Show answer & explanation
Correct answer: C
Explanation
Time taken to cover the first distance = 540 / 15= 36 hours
Time taken to cover the second distance = 225 / 15= 15 hours
Difference in time = 36 - 15= 21 hours