Question : A train is moving at a speed of 80 km/h and covers a certain distance in 4.5 hours. The speed of the train to cover the same distance in 4 hours should be:

Option 1: 100 km/h

Option 2: 70 km/h

Option 3: 85 km/h

Option 4: 90 km/h

Question : A car moves at the speed of 108 km/hr after repairing and moves at the speed of 72 km/hr before repairing. It covers a distance of $x$ km in 3 hours after repair. How long will it take to cover a distance of $5x$ km before repairing?

Option 1: 25 hours 20 minutes

Option 2: 24 hours

Option 3: 20 hours 40 minutes

Option 4: 22 hours 30 minutes

Question : A car covers the first 210 km at a speed of 70 km/h, it covers the next 170 km at a speed of 85 km/h. What is its average speed?

Option 1: 72 km/h

Option 2: 76 km/h

Option 3: 74 km/h

Option 4: 68 km/h

Question : By driving the car at an average speed of 40 km per hour, I reach my destination in 7 hours. With what speed I can reach the same destination in 5 hours?

Option 1: 50 km per hour

Option 2: 56 km per hour

Option 3: 55 km per hour

Option 4: 65 km per hour

Question : Rajinder drives his car at an average speed of 40 km/hr to cover half of his total distance and thereafter he increases his speed to 60 km/hr. He covers his journey in 7 hours. What is the average speed of Rajinder on this journey?

Option 1: 52 km/hr

Option 2: 48 km/hr

Option 3: 50 km/hr

Option 4: 54 km/hr