Q 1: A = {2,4,6} and B = {3,5,7}, then find symmetric difference of A and B. {} {2,3,5,6,7} {2,3,4,5,6,7} {2,3,4,5,6}

Q 2: C = {1,2,3,4}. Finite set Infinite set

Q 3: A = { 1,5,3,7,9} and B = {2,3,4,5,6} then A Ç B = ____ {3,5} {4,5} {5,3,6}

Q 4: A = {1,2,3,4,5} and B = {2,4,6} then find A Ç B. {2,4,6} {2,4} None of these {1,2,3,4,5,6}

Q 5: If n(A) = 4 and n(B) = 5 then n(A X B) = _____. 20 10 15

Q 6: A = {2,4,6} and B = {4,6,8} then find A  B. {2} None of these {2,4,6} {2,4,6,8}

Q 7: If U = {p,q,r,s,t}, A = {p,q,r} and B = {q,r,t} then
(A Ç B)^{c} = _____. {q} {r} {s}

Q 8: In a group of 50, 20 like tea while 21 like coffee. There is none who dislike both. How many persons like both coffee and tea?
11 10 9

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