A car covered 150 km in 5 hours. If it travels at one-third its usual speed, then how much more time will it take to cover the same distance?
Answer & explanation
Correct answer: option 2
Speed = \(\frac{Distance }{Time}\)
= \(\frac{150}{5}\)
= 30 km/h
If it travels at one third of speed i.e. 10 km/h
Time = \(\frac{Distance }{Speed}\)
= \(\frac{150}{10}\)
= 15 hours
More time required to cover the same distance = 15 - 5 = 10 hours