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The following questions are based on the information given below:
An advertising agency finds that, of its 170 clients, 115 read Indian Express, 110 read The Hindu and 130 read Times of India. Also 85 read Indian Express and Times of India, 75 read Indian Express and The Hindu, 95 read The Hindu and Times of India and 70 read all the three.
Total Clients: 170
Clients who read Indian Express: 115;
Clients who read The Hindu: 110;
Clients who read Times of India: 130;
Clients who read two common papers:
1) Indian Express + Times of India = 85;
2) Indian Express + The Hindu = 75;
3) The Hindu + Times of India = 95;
Clients who read all three papers = 70
1) Clients who read only Indian Express and Times of India = 85 - 70 = 15
2) Clients who read only Indian Express and The Hindu = 75 - 70 = 5
3) Clients who read only The Hindu and Times of India = 95 - 70 = 25
Now,
The clients who read only Indian Express = 115 - (5 + 70 + 15) = 25
The clients who read only The Hindu = 110 - (5 + 70 + 25) = 10
The clients who read only Times of India = 130 - (15 + 70 + 25) = 20
Hence, 25 clients read only Indian Express.
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