Math Chapter Wise

EnglishDSSSB TGT (SECTION-B) 28 DEC 2014

Q201.If A a,b,c,B b,c,d and C a,d,c then (A B) (B C) is equal to –

A{(a,c), (a,d), (b,d)} B{(c,a), (d,a)} C{(a,b), (c,d)} D{(a,c), (a,d)}

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EnglishDSSSB TGT (SECTION-B) 28 DEC 2014

Q202.If f: X X is defined by f(x) x, then–

A1 1 f (x) x B1/f (x) x C1 1 f (x) x DThe function 1/f (x) does not exist

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EnglishDSSSB TGT (SECTION-B) 28 DEC 2014

Q203.For any two sets A and B, the value of the set c A (A B) is–

AAc BBc Cφ DB

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EnglishDSSSB TGT (SECTION-B) 28 DEC 2014

Q204.If x 1 f(x) (x 1) x 1 is a real function, then f(f(f(2))) is equal to–

A1 B2 C3 D4

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EnglishDSSSB TGT (SECTION-B) 28 DEC 2014

Q205.If a, b and c N which one of the following is not true?

Aa | b anda | c a | b c ⇒ + Ba | b c a | b and a | c + ⇒ Ca | b and b | c a | c ⇒ Da | b and a | b a | 3b 2c ⇒ +

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EnglishDSSSB TGT (SECTION-B) 28 DEC 2014

Q206.The number of elements in the set 2 2 S (a,b) 2a 3b 35:a, b are integers} is–

A8 B4 C2 D12

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EnglishDSSSB TGT (SECTION-B) 28 DEC 2014

Q207.Let R (x,y) x 2y 8 be a relation on N, then domain of R is–

A1,2,3 B1,2,3,4,5,6 C1,3,5 D2,4,6

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EnglishSECTION B PGT TIER-I 31.11.2014

Q208.The value of x satisfying 3x = 4 (mod5) is–

A3 B1 C2 D5

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EnglishSECTION B PGT TIER-I 31.11.2014

Q209.The last digit of 6500 is–

A5 B7 C6 D4

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EnglishSECTION B PGT TIER-I 31.11.2014

Q210.The domain of the function f: R→ → →R defined by 2 f(x) x 3x 2 is–

A(,) B(1,2) C(,1] [2,) DNone of these

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EnglishSECTION B PGT TIER-I 31.11.2014 TGT KVS 2017

Q211.Let f: R → → → R be the function defined by 1 f(x) 2 cos x for all x R, Then the range of f is–

A[ 1,1] B1,1 3 C(,) DR/{0}

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EnglishSECTION B PGT TIER-I 31.11.2014

Q212.Two finite sets have m and n elements respectively. The total number of subsets of first set is 56 more than the total number of the second set. The values of m and n respectively are–

A7,6 B5,1 C6,3 D8,7

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EnglishSECTION B PGT TIER-I 31.11.2014

Q213.Let F1 be the set of parallelograms, F2 the set of rectangles, F3 the set of rhombuses, F4 the set of squares and F5 the set of trapeziums in a plane. Then F1 may be equal to–

A2 3/F F B3 4/F F C2 5/F F D2 3 4 1/F F F F

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EnglishSECTION B PGT TIER-I 31.11.2014

Q214.Let n(A) = m and n(B) = n. Then the total number of non-empty relations that can be defined from A to B is–

Amn Bnm/–1 Cmn – 1 D2mn/– 1

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EnglishSECTION B PGT TIER-I 31.11.2014

Q215.If n x 1 is divisible by x k, − − then the least positive integral value of k is–

A1 B2 C3 D4

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EnglishSECTION B PGT TIER-I 31.11.2014

Q216.If f = {(–1, –5), (1, –1), (3, 3)} is a function described by f(x) = ax + b, then the values of a and b are–

A–3, –1 B2, –3 C0, 2 D2, 3

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EnglishSECTION B PGT TIER-I 31.11.2014

Q217.Let 2 A {x R x x 6} and B {x R x 3} Which of the following is true?

AA B BB A CA B DA B

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EnglishSECTION B PGT TIER-I 31.11.2014

Q218.The function f(x) = [x], where [.] denotes the greatest integer function, is continuous at–

A4 B–2 C1 D1.5

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EnglishSECTION B TGT TIER-I 31.11.2014

Q219.Number of subsets of a finite set with n elements are–

A2n Bn! Cn2 Dnn

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EnglishSECTION B PGT TIER-I 31.11.2014

Q220.The remainder when 10 10 10 10.(10 1)(10 2) is divided by 6 is–

A2 B4 C0 D6

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