Question

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Answer 1

Answer:

In a survey of 100 persons it was found that 28 read magazine A, 30 read magazine B,42 read magazine C, 8 read magazines A and B, 10 read magazines A and C, 5 read magazines B and C, 3 read all three magazines.

1.The number of people who read none of the three magazines is

(a) 0 (b) 20 (c) 29 (d) None of the given.

47. The number of people who read magazine A only is

(a) 7 (b) 13 (c) 28 (d) 20

2. The number of people who read exactly two magazines is

(a) 17 (b) 20 (c) 23 (d) None of the given

3. The number of people who read magazines A and B but not C is

(a) 58 (b) 16 (c) 8 (d) 5

4. The number of people who read magazine B only is

(a) 14 (b) 30 (c) 20 (d) 8