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CET Mathematics, Let S={x./x is a tve multipde gi3'les, %3D, than 100} and p = {x/x is a põine mumber, <20} then, a) 38, n(s) + ncp) is, 6) 40 .c) 41 d)42, S = { 3,6,9, 12 , 15, 993., ... ., P = { 2, 3, 5, 7, 11, 13, 17, 19, n(s) =?, S ={3,&,9, 12, 15, n (P) = ? nS)F n (P) = ?, 993, Tn = a +n -1)d, 'd= T - T,, 99 = 3 + (n-1) 3, 99 -3 =(n-1)3, - 6 -3 =3, 96 = (n-1) 3, 32, 32 = 7-/, 7-1 = 32, n - 32+1E 33, ne 33, n(s)= 33, , n(P) = 8, (ncs) + n CP) = 33 + 8 = 41, Aws : c)41

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2) It A and B are two sets ithen AnCAUB) =, a) A, b) B, c) $ 4) AnB, 9: A = f1,2,3, 4,53, %3D, 8 = (5,6,7; 8,.9}, (5,6,9181.9}, AriCAUB) =?., { 1,2,3 Hi 5ib;7,8, 93., AUB =, AnCaUB)= { l12,3, 4o 5} = A, An (AUB) = A, Am : a) A, 3) 9+ x and y are two sets and x' de notes, the Complement g x , then xn (xuy)' =, a) x b) Y ) $ d) xny', : メ=, 4:- X = { 1, 2, 3}, y = { 3,4;5}, xuy = {1,2,3} u {314,5}, Xuy.=el;2,3;4,5}, ľ l,2,3;4,5}, (xoy)'= $, Ab:

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CET, when A =¢ then the rumber g elements, 4), In P(A) =, a) o b) I, c) 2, d) none ., p CA) = 1, %3D, And : b) I, A = ¢, n(A) = 0, PLA) is the power set g set A, P(A), PCA) =. 2 = 1, %3D, * PCA) = 1

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CET, Let A ={x : x= n; nz 1,2,3}, (3, then the, 8 proper subsets in, c) 7, number 8, a) 3, b) 8, d) 4, A, { I,4, 9y, n., No 8 Lublets = 2, %3D, 8, Ne 1 paoper -|, = 8 -! =7., subaets = 2, Ay : c) 7, 7) It set A = e, 3;5} then the number of, elements in P[PCA)] is, 6) 256, c) 248, d) 250, As dli.3,5}, (n= 3), P[ PrA)] = '., elemehts in ptA) = 2" = 2=8, 3, No, No 7 clements in P[ PCA)] = 2= 2 = 256, And: b) 256