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Question

If A = {1, 2, 3, 4}

B = {3, 4,5, 6, 7}

C = {6, 7, 8, 9}

D = {7, 8, 9, 10}

ColumnAColumnB1.AB A. {3,4,6,7} 2.AB B. 3.(BC)D C. {3,4} 4. BCD D. {3,4,5,6,7,8,9,10} 5. (AB)(BC) E. {1,2,3,4,5,6,7} F. {6,7,8,9,10} G. {7}


A

1 - e, 2 - c, 3 - f, 4 -d, 5-c

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B

1 - e, 2 - c, 3 - f, 4 -d, 5-a

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C

1 - b, 2 - a, 3 - c, 4 -e, 5-f

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D

1 - b, 2 - a, 3 - c, 4 -e, 5-c

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Solution

The correct option is A

1 - e, 2 - c, 3 - f, 4 -d, 5-c


A = {1, 2, 3, 4}

B = {3, 4, 5, 6, 7}

C = {6, 7, 8, 9}

D = {7, 8, 9, 10}

1. A B = {1, 2, 3, 4, 5, 6, 7}

2. A B = {3, 4}

3. B C = {6, 7}

(B C) D = {6, 7} {7, 8, 9, 10} = {6, 7, 8, 9, 10}

4. B C D = (B C) D

B C = {3, 4, 5, 6, 7, 8, 9}

(B C) D = {3, 4, 5, 6, 7, 8, 9} {7, 8, 9, 10} = {3, 4, 5, 6, 7, 8, 9, 10}

5. (A B) (B C) = {3, 4} {3, 4, 5, 6, 7, 8, 9}

= {3, 4}


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