Question

By travelling at a speed of 48 kilometres per hour, a car can finish a
certain journey in 10 hours. To cover the same distance in 8 hours,
the speed of the car should be
th

Answer 1

With speed of 48km/hr n time 10hrs

Distance covered = 48×10=480km

person wants to cover the distance in 8 hrs

using formula

speed=distance/time= 480/8= 60km/hrs

so speed of the car should be increase by 60-48=12km/hrs in order to cover distance in 8 hrs

Answer 2

Answer:

Total distance cover in 10 hour by the speed of 48 km/hr --

distance = speed × time

= 48 × 10 = 480km

now same distance cover in 8hr then speed of car is -- distance/time

= 480/8 = 60km/hr