CAT Quant Practice Problems

Question: 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.

Following were the observation of the survey:

I. 15 had air conditioning

II. 2 had air conditioning and power windows but no radios

III. 12 had radio

IV. 6 had air conditioning and radio but no power windows

V. 11 had power windows

VI. 4 had radio and power windows

VII. 3 had all three options

What is the number of cars that had none of the options?

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