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Grade 8 - Mathematics4.6 Intersection of Two Sets - I

 The intersection of two sets A and B is the set of elements which are common to A and B, and is denoted by A Ç B. A Ç B = {x/x Î A and x Î B}. Example: A = {a,b,c,d} and B = {a,d,e,f} then find A Ç B. Solution: A = {a,b,c,d} and B = {a,d,e,f} A Ç B = {a,b,c,d} Ç {a,d,e,f} Write down the common elements in both sets. A Ç B = {a,d} Directions: Solve the following problems. Also write at least five examples of your own.
 Q 1: A = {2,4,6} and B = {2,4,6,8} then find A Ç B.{2,4,6,8}{2,4,6}None of these Q 2: A = {7,14,21,28} and B = {14,21,28} then find A Ç B.{14,28}{7,14,21,28}None of these{14,21,28} Q 3: A = {10,15,20} and B = {15,30} then find A Ç B.{15}{10,15,20,30}None of these{15,20} Q 4: A = {1,2,3,4,5} and B = {1,3,5} then find A Ç B.{1,3,4,5}{1,2,3,4,5}{1,2,3,5}{1,3,5} Q 5: A = {1,2,3,4,5} and B = {2,4,6} then find A Ç B.{1,2,3,4,5,6}{2,4}None of these{2,4,6} Q 6: A = {2,3,5} and B = {3,5,7} then find A Ç B.{2,3,5,7}None of these{3,5}{7} Q 7: A = {15,30,45} and B = {30,60,90} then find A Ç B.{30}None of these{15,30,45,60,90}{15,30} Q 8: A = {2,3,4,5} and B = {5,7} then find A Ç B.None of these{5,7}{5}{2,3,4,5,7} Question 9: This question is available to subscribers only! Question 10: This question is available to subscribers only!