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Grade 8 - Mathematics4.46 Symmetric Difference of Two sets - I

 Symmetric difference of A and B is A B = (A - B)È (B - A) Example: A = {1,2,3,4,5} and B = {2,4,6,8}, then find symmetric difference of A and B. Solution: A - B = {1,2,3,4,5} - {2,4,6,8} = {1,3,5} B - A = {2,4,6,8} - {1,2,3,4,5} = {8} (A - B) È (B - A) = {1,3,5} È {8} = {1,3,5,8} The Symmetric difference of A and B is {1,3,5,8} Directions: Solve the following problems. Also write at least five examples of your own.
 Q 1: A = {10,20,30} and B = {20,40,60}, then find symmetric difference of A and B.{10,30,40}{10,30,40,60}{}None of these Q 2: A = {5,10,15,20} and B = {10,20,30}, then find symmetric difference of A and B.{5,30}{5,15,20,30}{5,15,30}None of these Q 3: A = {2,4,6} and B = {4,6,8}, then find symmetric difference of A and B.{4,8}{6,8}{2,4,6,8}{2,8} Q 4: A = {2,3,5,7} and B = {3,5,7}, then find symmetric difference of A and B.{2,3,5,7}None of these{2}{3,5,7} Q 5: A = {8,16,24} and B = {16,24,32}, then find symmetric difference of A and B.{16,24,32}{8,16,24,32}{8,32}{8,16,32} Q 6: A = {1,2,3,4,5} and B = {2,4,6}, then find symmetric difference of A and B.{1,2,3,4,5,6}{1,3,5,6}{1,3,4,5,6}{} Q 7: A = {100,200,300,400} and B = {200,400,600}, then find symmetric difference of A and B.{600}{}{100,300}{100,300,600} Q 8: A = {2,4,6} and B = {3,5,7}, then find symmetric difference of A and B.{2,3,4,5,6,7}{}{2,3,5,6,7}{2,3,4,5,6} Question 9: This question is available to subscribers only! Question 10: This question is available to subscribers only!