If A = {1, 2, 3, 4}, B = {3, 4, 5, 6}, C = {5, 6, 7, 8} and D = {7, 8, 9, 10}; find
Question:

If A = {1, 2, 3, 4}, B = {3, 4, 5, 6}, C = {5, 6, 7, 8} and D = {7, 8, 9, 10}; find

(i)  B

(ii)  C

(iii)  C

(iv)  D

(v)  B  C

(vi)  B  D

(vii)  C  D

Solution:

A = {1, 2, 3, 4], B = {3, 4, 5, 6}, C = {5, 6, 7, 8} and D = {7, 8, 9, 10}

(i) A  B = {1, 2, 3, 4, 5, 6}

(ii) A  C = {1, 2, 3, 4, 5, 6, 7, 8}

(iii) B  C = {3, 4, 5, 6, 7, 8}

(iv) B  D = {3, 4, 5, 6, 7, 8, 9, 10}

(v) A  B  C = {1, 2, 3, 4, 5, 6, 7, 8}

(vi) A  B  D = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}

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

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