Q 3: A = {2,4,6} and B = {4,6,8} then find A - B. None of these {2,4,6,8} {2} {2,4,6}

Q 4: In a group of 80 persons, 30 drink Coke but not Pepsi and 41 drink Coke. How many drink Coke and Pepsi both?
7 12 11

Q 5: If U = {5,10,15,20} and A = {10,20,30} Then find A^{c}. {5,15} {5,1015} {5,15,30} {5,10,15,20}

Q 6: B is a set of all months in a year having 30 days. B = {April, June, September, November} B = {January, April, June, September, November} B = {February, April, June, September, November}

Q 7: A = {15,30,45} and B = {30,60,90} then find A Ç B. {30} None of these {15,30} {15,30,45,60,90}

Q 8: n(A) = 15, n(B) = 19 and n(AÈB) = 19 then find n(AÇB). 13 15 12 14

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