Problem: In a survey of a town, it was found that 65% of the people surveyed watched the news on television, 40% read a newspaper, and 25% read a newspaper and watched the news on television. What percent of the people surveyed neither watched the news on television nor read a newspaper?
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Correct Answer: 20 %
Explanation:
Let, the number people is 100
Only the television watched = (65 – 25) = 40
Only newspaper read = (40 — 25) = 15
Both read new newspaper and watched television = (25 + 40 + 15) = 80
The people neither watched Television nor read newspaper = (100 — 80) = 20 or 20%