Instructions
Study pie-chart and table carefully and answer the question that follows:
Number of cars = 700
The second chart shows the ratio of petro and diesel cars.
Question 144
What is the difference between the total number of cars in state-3 and the number of petrol engine cars in state-2?
Solution
Number of cars in state 3 = 700*0.32 = 224
Number of petrol engine cars in state 2 = 700*0.28*0.09 = 126
Difference = 224-126 = 98
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