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1. If X = {1, 2, 3, 4, 5, 6, 7, 8, 9} A = {x ? N: 30 < x2 < 70}, B = {x : x is a prime numberless than 10}, then which of the following is false:
(A): A? B = {7, 8}
(B): A U B = {2, 3, 5, 6, 7, 8}
(C): A ? B = {2, 3, 5, 6, 8}
(D): A-B = {6, 8}
(E): NULL
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MCQ->If X = {1, 2, 3, 4, 5, 6, 7, 8, 9} A = {x ? N: 30 < x2 < 70}, B = {x : x is a prime numberless than 10}, then which of the following is false: ....
MCQ->If X = {1, 2, 3, 4, 5, 6, 7, 8, 9} A = {x ? N: 30 < x2 < 70}, B = {x : x is a prime numberless than 10}, then which of the following is false: ....
MCQ->If X = {1, 2, 3, 4, 5, 6, 7, 8, 9} A = {x ? N: 30 < x2 < 70}, B = {x : x is a prime numberless than 10}, then which of the following is false: ....
MCQ->If X = {1, 2, 3, 4, 5, 6, 7, 8, 9} A = {x ? N: 30 < x2 < 70}, B = {x : x is a prime numberless than 10}, then which of the following is false: ....
MCQ->If X = {1, 2, 3, 4, 5, 6, 7, 8, 9} A = {x ? N: 30 < x2 < 70}, B = {x : x is a prime numberless than 10}, then which of the following is false: ....
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