Question

a car finish a certain journey in 9 hour at the speed of 72 km per hour by how much should its speed be increased so that it may take only 8 hours to cover the same distance

Answer 1

Answer:

Step-by-step explanation:

It covers the next 50 km of its journey at the speed of 25 km/hr and the last 25 km of its ... km/hour is (a) 50 km (b) 40 km (c) 30 km (d) 60 km 20 minutes more than B to reach ... A car can finish a certain journey in 10 hours at the speed of 48 km/hour