in a survey 100 peoplewere asked which of these 3 magazines A,B,C they had read on the previous day.29 people read A.40 people read B,38 peopleread C.also 10 people read A AND B but not C.12 people read B AND C but notA.7 PEOPLE READ A AND C BUT NOT B.AND 30 PEOPLE DID NOT READ ANY OF THE THREE MAGAZINES.find[i] the number of people who read all three magazines.[ii]find the number of peoplewho read one magazine only.
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