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

 Q 1: A = {2,4,6} and B = {4,6,8} then find B - A.{8}{}{2,4,6,8}{4,6,8} Q 2: A = {2,3,5,7} and C = {4,6,8,10}, is these two sets disjoint or not.Not a disjointDisjoint Q 3: n(A) = 8 and n(B) = 3 and n(AÇB) = 2 find n(AÈB)711N0ne of these9 Q 4: A = {2,3,5}, B = {2,3,5} and C = {3,5,7} find AÇ(BÇC){2,3,5}{3,5}{3,5,7}None of these Q 5: In a group, members know atleast one of the languages, French and Spanish. 125 members know French, 75 members know Spanish and 50 of them know both French and Spanish. How many members are there in the group? 160100150 Q 6: E = {x/x is a prime number and x < 12}.E = {2,3,5,7,11}E = {2,4,6,8,10}E = {1,3,5,7,9,11} Q 7: A = {7,8,9} and B = {8,9,10} then find A - B.{7}{7,8,9}None of these{10} Q 8: 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} G ____ A.EqualNot equal Question 9: This question is available to subscribers only! Question 10: This question is available to subscribers only!