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

 Q 1: A = {2,4,6} and B = {3,5,7}, then find symmetric difference of A and B.{}{2,3,5,6,7}{2,3,4,5,6,7}{2,3,4,5,6} Q 2: C = {1,2,3,4}.Finite setInfinite set Q 3: A = { 1,5,3,7,9} and B = {2,3,4,5,6} then A Ç B = ____{3,5}{4,5}{5,3,6} Q 4: A = {1,2,3,4,5} and B = {2,4,6} then find A Ç B.{2,4,6}{2,4}None of these{1,2,3,4,5,6} Q 5: If n(A) = 4 and n(B) = 5 then n(A X B) = _____.201015 Q 6: A = {2,4,6} and B = {4,6,8} then find A - B.{2}None of these{2,4,6}{2,4,6,8} Q 7: If U = {p,q,r,s,t}, A = {p,q,r} and B = {q,r,t} then (A Ç B)c = _____.{q}{r}{s} Q 8: In a group of 50, 20 like tea while 21 like coffee. There is none who dislike both. How many persons like both coffee and tea? 11109 Question 9: This question is available to subscribers only! Question 10: This question is available to subscribers only!