Question : An aeroplane travels five times as fast as a bus. If the bus covers 60 km in 80 minutes, what distance (in km) will the aeroplane cover in 25 minutes?

Option 1: 95.35

Option 2: 93.75

Option 3: 65.35

Option 4: 18.75

Question : A train covers the distance between station A and station B in 45 minutes. If the speed of the train is reduced by 5 km/hr, then the same distance is covered in 48 minutes. The distance between stations A and B is:

Option 1: 60 km

Option 2: 64 km

Option 3: 80 km

Option 4: 55 km

Question : A person travels 600 km by train at 80 km/hr, 800 km by ship at 40 km/hr, 500 km by aeroplane at 400 km/hr, and 100 km by car at 50 km/hr. What is the average speed for the entire distance?

Option 1: $65\frac{5}{123}$ km/hr

Option 2: 60 km./hr.

Option 3: $60\frac{5}{123}$ km/hr

Option 4: 62 km./hr.

Question : A man travels for 14 hours and 40 minutes. He covers half of the journey by train at a rate of 60 km/hr and the rest by road at a rate of 50 km/hr. The distance travelled by him is:

Option 1: 720 km

Option 2: 800 km

Option 3: 960 km

Option 4: 1000 km

Question : To cover a certain distance at a speed of 60 km/hr, a train takes 15 hours. If it covers the same distance in 12 hours, what will its speed be?

Option 1: 65 km/hr

Option 2: 70 km/hr

Option 3: 75 km/hr

Option 4: 80 km/hr

Question : A train travels at a speed of 18 m/s in the first 5 minutes, covers 7.5 km in the next 10 minutes and covers 12 km in another 10 minutes. What is its average speed (in km/h, rounded off to 1 decimal place) for the entire journey?

Option 1: 59.8

Option 2: 71.2

Option 3: 45.7

Option 4: 64.6