Grade 8 - Mathematics 4.51 Sets and Relations Review Test

Q 1: n(A) = 10 and n(B) = 5 and n(AÇB) = 4 find n(AÈB) 11 8 16 12

Q 2: n(A) = 15, n(B) = 19 and n(AÈB) = 19 then find n(AÇB). 14 12 15 13

Q 3: A = {Multiple of 3} and B = {Multiple of 2}, is these two sets disjoint or not. not a disjoint Disjoint

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/x^{2} = 4 and 3x = 9}. Not an empty set An empty set

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