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Find the ratio of speed of a car and truck travelling 150 km in 3 hours and 120 km in 4 hours respectively.
  • a)
    2 : 5
  • b)
    6 : 3
  • c)
    5 : 3
  • d)
    4 : 2
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
Find the ratio of speed of a car and truck travelling 150 km in 3 hour...
The ratio of speed of a car and truck can be found by dividing the distance traveled by each vehicle by the time taken. Let's calculate the speeds of the car and truck separately and then find their ratio.

Speed of the Car:
Distance traveled by the car = 150 km
Time taken by the car = 3 hours

Therefore, the speed of the car can be calculated as:
Speed of the car = Distance/Time = 150 km/3 hours = 50 km/h

Speed of the Truck:
Distance traveled by the truck = 120 km
Time taken by the truck = 4 hours

Therefore, the speed of the truck can be calculated as:
Speed of the truck = Distance/Time = 120 km/4 hours = 30 km/h

Finding the Ratio:
To find the ratio of the speed of the car and truck, we divide the speed of the car by the speed of the truck.

Ratio = Speed of the car/Speed of the truck = 50 km/h ÷ 30 km/h

Simplifying the ratio, we get:
Ratio = 5/3

Therefore, the ratio of the speed of the car and truck is 5:3.

Hence, the correct answer is option C) 5:3.
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