Question : A person travels in a car at 40 km/hr for 3 hours, on a bike at 30 km/hr for 2 hours, and in a train at 80 km/hr for 5 hours. What is the average speed at which he travelled?

Option 1: 56 km/hr

Option 2: 60 km/hr

Option 3: 62 km/hr

Option 4: 58 km/hr

Question : A man travels 450 km to his home, partly by train and partly by car. It takes 8 hours and 40 minutes if he travels 240 km by train and rests by car. It takes 20 minutes more if he travels 180 km by train and the rest by car. The speed of the car in km/h is:

Option 1: 45

Option 2: 50

Option 3: 60

Option 4: 48

Question : A car covers a certain distance in 25 hours. If it reduces the speed by $\frac{1}{5}$th, the car covers 200 km less in that time. The speed of the car is:

Option 1: 60 km/hr

Option 2: 30 km/hr

Option 3: 40 km/hr

Option 4: 50 km/hr

Question : A boy rides his bicycle 10 km at an average speed of 12 km/hr and again travels 12 km at an average speed of 10 km/hr. His average speed for the entire trip is approximately:

Option 1: 10.4 km/hr

Option 2: 10.8 km/hr

Option 3: 11.0 km/hr

Option 4: 12.2 km/hr

Question : A car travels the first 160 km at a speed of 64 km/hr and the next 160 km at a speed of 80 km/hr. What is the average speed for the first 320 km of the tour?

Option 1: 70 km/hr

Option 2: 71.11 km/hr

Option 3: 66 km/hr

Option 4: 75.32 km/hr