Question : A bus covers a 60-kilometre distance in 1 hour 30 minutes, whereas the same distance is covered by a car in 45 minutes. What is the ratio of the speed of the car to the speed of the bus?
Option 1: 5 : 3
Option 2: 3 : 5
Option 3: 1 : 2
Option 4: 2 : 1
Correct Answer: 2 : 1
Solution :
The speed of a vehicle is given by,
$\text{Speed} = \frac{\text{Distance}}{\text{Time}}$
The speed of the bus = $\frac{60}{1.5}$ = 40 km/hour
The speed of the car = $\frac{60}{0.75}$ = 80 km/hour
The ratio of the speed of the car to the speed of the bus = 80 : 40 = 2 : 1
Hence, the correct answer is 2 : 1.
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