Question : A woman drives a car. During her journey, she travels 20 minutes at a speed of 60 km/hr, another 30 minutes at a speed of 40 km/hr and 1 hour at a speed of 50 km/hr. The average speed of the car is:

Option 1: $\frac{540}{11}$ km/hr

Option 2: $\frac{630}{11}$ km/hr

Option 3: $\frac{100}{11}$ km/hr

Option 4: $\frac{90}{11}$ km/hr

Question : A train moves at a speed of 35 km/hr for the first 2 hours and at a speed of 50 km/hr for the next 4 hours. Find the average speed of the train during the entire journey.

Option 1: 47 km/hr

Option 2: 50 km/hr

Option 3: 45 km/hr

Option 4: 35 km/hr

Question : A car travels at the speed of 40 km/hr for the first hour and 60 km/hr for the next hour. What will be the average speed of the car?

Option 1: 60 km/hr

Option 2: 40 km/hr

Option 3: 50 km/hr

Option 4: 45 km/hr

Question : A bus travels first 100 km at a speed of 100 km/hr. It covers the next 150 km at a speed of 90 km/hr. What is the average speed?

Option 1: 120.50 km/hr

Option 2: 93.75 km/hr

Option 3: 100.25 km/hr

Option 4: 156.25 km/hr

Question : A person covers the first 35 km in 60 minutes and the next 40 km in 30 minutes. What is his average speed for the whole journey?

Option 1: 49 km/hr

Option 2: 42 km/hr

Option 3: 50 km/hr

Option 4: 63 km/hr