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In a survey of 100 persons, it was found that 28 read magazine A, 30 read ,magazine 142 read magazine C, 8 read magazine A and B, 10 read magazine A and C, 5 read magazine B and C and 3 read all the three magazines. Find how many persons read magazine C only .

Answer» In a survey of 100 persons, it was found that 28 read magazine A, 30 read ,magazine 142 read magazine C, 8 read magazine A and B, 10 read magazine A and C, 5 read magazine B and C and 3 read all the three magazines. Find how many persons read magazine C only .


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