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

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

 Q 1: A = {10,15,20} and B = {15,30} then find A Ç B.{10,15,20,30}None of these{15}{15,20} Q 2: A = {15,30,45} and B = {30,60,90} then find A Ç B.{15,30}None of these{15,30,45,60,90}{30} Q 3: 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? 284325 Q 4: A = {1,2,3}, B = {The first three natural numbers}, C = {a,b,c,d}, D = {d,c,a,b}, E = {a,e,i,o,u}, F = {Set of vowels in English Alphabets} and G = {3,1,2} C ____ D.EqualNot equal Q 5: A = {a,e,i,o,u}, Find out the number of proper subsets. 313233 Q 6: A = {1,2,3,4,5,6} and B = {2,4,6} Which of the following represent A Ç B?{3,4,6}{2,3,4,6}{1,2,3,4,6}{2,4,6} Q 7: If U = {p,q,r,s,t}, A = {p,q,r} and B = {q,r,t} then Ac È Bc = _____.{p,q,t}{p,s,t}{p,q,r,t} Q 8: B = {1,3,5,7,9,11,13}, write this in set builder form.B = {x/x is an odd number x = 14}B = {x/x is an odd number x > 14}B = {x/x is an odd number x < 14} Question 9: This question is available to subscribers only! Question 10: This question is available to subscribers only!