Multiple choice

A bike runs at the speed of 50 km/hr when not serviced and runs at 60 km/hr when serviced. After servicing, the bike covers a certain distance in 6 hours. How much time will the bike take to cover the same distance when not serviced?

  1. 8.2 hours

  2. 6.5 hours

  3. 8 hours

  4. 7.2 hours

  5. None of these

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

Distance = Speed × Time. At 60 km/hr for 6 hours, the bike covers 360 km. At 50 km/hr, the same distance takes 360/50 = 7.2 hours.