Multiple choice

A person has to cover a distance of 150 km in 15 hours. If he traveled with the speed of 11.8 km/hr for 10 hours. At what speed he has to travel to cover the remaining distance in the remaining time (in km/hr)?

  1. 6

  2. 12.8

  3. 8

  4. 6.4

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Total distance = 150 km. In 10 hours at 11.8 km/h, distance covered = 118 km. Remaining distance = 32 km. Remaining time = 5 hours. Required speed = 32/5 = 6.4 km/h.