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PPrriimmarryy56

                                                      Date :

10-Choose the correct answer:

(1) If x ? {2, 5, 8}, what value cannot x be?

a) 2 b) 3                      c) 5                    d) 8

(2)If A= {2, 5}, which of the following is true?      d) 5 ? A

a)2 ? A      b) 3 ? A          c) 5 ? A

(3)If A= {4, 2, 7} and B ? A, which of the following could be set B?

a){1, 3, 5}  b){4, 2}          c) {2, 6, 7}           d){4, 3, 7}

(4)If A= {8, 9, 6} and B = {2, 6, 7}, what is AU B?

a) { 6}      b) {8, 6, 9, 2, 7} c){2, 6, 7}           d){8, 9, 6}

(5)If A= {8, 9, 6} and B = {2, 6, 7}, what is A n B?

a) { 6}      b) {8, 6, 9, 2, 7} c){2, 6, 7}           d){8, 9, 6}

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