Subject
Quantitative Aptitude
Topic
Percentage
In a city 90% of the population own a car, 15% own a motorcycle, and everybody owns one or the or both. What is the percentage of motorcycle owners who own cars?
In a city 90% of the population own a car, 15% own a motorcycle, and everybody owns one or the or both. What is the percentage of motorcycle owners who own cars?
ক)
5%খ)
15%গ)
33(1/3)%ঘ)
50%Explanation
Let A = Population who owns a car B = Population who owns a motorcycle AUB = Number of population A∩B = Population who owns both car and motorcycle P(AUB) = P(A) + P(B) - P(A∩B) P(A∩B) = P(A) + P(B) - P(AUB) = 0.9 + 0.15 - 1 = 0.05 = 5%Related questions
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