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### Grade 8 - Mathematics4.43 Difference of Two Sets - II

 If A and B are two sets then B - A = {x/x Î B and x Ï A}. Example: A = {a,b,c,d,e,f} and B = {a,b,d,e,g,h} find B - A. solution: B - A = {a,b,d,e,g,h} - {a,b,c,d,e,f} Therefore, B - A = {g,h} Directions: Solve the following problems. Also write at least five examples of your own.
 Q 1: A = {2,4,6} and B = {4,6,8} then find B - A.{4,6,8}{8}{2,4,6,8}{} Q 2: A = {100,200,300,400} and B = {200,400,600} then find B - A.{600}{100,600}None of these{100} Q 3: A = {7,8,9} and B = {8,9,10} then find B - A.{7}NOne of these{}{10} Q 4: A = {2,3,5,7} and B = {3,5,7} then find B - A.{}{2}None of these{3,5,7} Q 5: A = {5,10,15,20} and B = {10,20,30} then find B - A.{5,15}{30}{}{5,10,15} Q 6: A = {1,2,3} and B = {3,6,9} then find B - A.{3,6,9}{}None of these{6,9} Q 7: A = {10,20,30} and B = {20,40,60} then find B - A.{40,60}{10,20,30}{}{10} Q 8: A = {1,2,3,4,5} and B = {2,4,6} then find B - A.{6}{1,6,5}{}{2,4,6} Question 9: This question is available to subscribers only! Question 10: This question is available to subscribers only!