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### Grade 8 - Mathematics4.51 Sets and Relations Review Test

 Q 1: n(A) = 10 and n(B) = 5 and n(AÇB) = 4 find n(AÈB)1181612 Q 2: n(A) = 15, n(B) = 19 and n(AÈB) = 19 then find n(AÇB).14121513 Q 3: A = {Multiple of 3} and B = {Multiple of 2}, is these two sets disjoint or not.not a disjointDisjoint Q 4: A = {2,3,5,7} and B = {3,5,7} then find B - A.{3,5,7}{2}{}None of these Q 5: A = {2,3,4,5,6}, B = {2,4,6} and C = {4,6,8} find AÇ(BÇC) {4}{2,4,6}{4,6}{4,6,8} Q 6: If A = {1,2,3,4} and B = {a}, the find A X B.{(a,x), (b,x), (c,x), (d,x)}{(1,a), (2,a), (3,a), (4,a)}{(a,1), (2,a), (3,a), (4,a)}{(1,a), (2,a), (a,a), (4,a)} Q 7: Find A È B, if A = {7,11} and B = {13,17}.{7,11,13,}{11,13,17}{7,8,9,11,13,17}{7,11,13,17} Q 8: A = {x/x2 = 4 and 3x = 9}.Not an empty setAn empty set Question 9: This question is available to subscribers only! Question 10: This question is available to subscribers only!