A survey on a sample of 25 new cars being sold at a local auto dealer was conducted to see which of the three popular options- air conditioning, radio and power windows- were already installed. The survey found
What is the number of cars that had none of the options?
Explanation:
Here, AC – Air Conditioning, R – Radio and PW – Power Windows
From the given conditions, we have the above Venn diagram.
When we add up all the values in the Venn diagram, we get 23 (15 + 5 + 1 + 2) cars.
∴ 2 (i.e. 25 − 23) cars don’t have any of the three options.
Hence, option (d).
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