Question

A car can finish a certain journey in 10 hours at the speed of 48 km per hour by how much should it speed be increased so that it may take only 8 hours to cover the same distance.​

Answer 1

Answer:

Ans is 12km/hr

Steps:-

Car finish total distance of 48×10= 480km

Step-by-step explanation:

To cover 480km journey in 8 hours, car speed should be 480km/8hours= 60km/hr

so, increase in speed= (60-48)km/hr= 12km/hr

I hope you'll understand