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

 Q 1: A = {2,4,6,8}, B = {3,6,9} and C = {4,8,12} Find A È (B È C).None of these{2,3,4,5,6,8,9,12}{2,3,4,6,8,9,10,12}{2,3,4,6,8,9,12} Q 2: Find A È B, if A = {2,3,5,7} and B = {4,6,8}.{2,4,5,6,7,8}{2,3,4,5,7,8}{1,2,3,4,5,6,7,8}{2,3,4,5,6,7,8} Q 3: Find A È B, if A = {5,7,9} and B = {7,8}.None of these{5,7,8,}{5,7,8,9}{5,7,9} Q 4: A = {2,4,6,8}, B = {3,6,9,12} and C = {6,9,12} find AÇ(BÇC){6}None of these{6,9,12}{6,9} Q 5: A = {5,7,9,11}, B = {7,9,11} and C = {9,11} Find A È (B È C).{5,7,9,10,11}{5,7,9,11}{5,7,8,9,11}{5,6,7,9,10,11} Q 6: A = {1,3,5,7}, write this in set builder form.A = {x/x is an even number less than 9}A = {x/x is an odd number less than 9} Q 7: There are 64 persons in a group. Each of them eats either apple or plantain or both. Those who eat apples are 36 in number. The number those who eat both apples and plantain is 21. How many eat plantains only? 282543 Q 8: If U = {3,6,9} and A = {2,4,6} Then find Ac.None of these{3,9}{2,4,6,9}{3,6,9} Question 9: This question is available to subscribers only! Question 10: This question is available to subscribers only!

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