What is the difference between the number of diesel engine cars in state 2 and the number of petrol ...........

Quantitative Aptitude ( CCS) Pie Chart

Pie-Chart showing percentage distribution-wise of cars in four different states

States	Diesel engine cars	Petrol engine cars
State 1	3	4
State 2	5	9
State 3	5	3
State 4	1	1

What is the difference between the number of diesel engine cars in state 2 and the number of petrol engine cars in state 4?

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Explanation:

Explanation :
Total no of cars in state 2 = 28% of 700 = 196
Number of diesel engine cars in state 2 = 196 * 5/14 = 70
Total no of cars in state 4 = 26% of 700 = 182
Number of petrol engine cars in state 4 = 182 * 1/2 = 91
Required difference = 91 – 70 = 21