Important Maths Questions PDF
Download the PDF for the Full paper — Important Maths Questions PDF
 The order of element 4 of the group ({0, 1, 2, 3, 4}, +5) is
(a) 2 (b) 3 (c) 4 (d) 5
 If a, b are the roots of the equation x2 – x + 1 = 0, the equation whose roots are a2, b2 is : (a) x2 + x – 1 = 0 (b) x2 + x + 1 = 0 (c) x2 – x – 1 = 0 (d) x4 – x2 – 1 = 0
 A relation R = {(1, 1), (1, 2), (2, 1)} is defined on the set A = {1, 2, 3}, then relation is
 Reflexive (b) Reflexive and transitive
(c) Equivalence relation (d) Symmetric
 The number of generators of a cyclic group of order 12 is
(a) 4 (b) 3 (c) 2 (d) 1
 The function f is defined as
ìïk cos x , when x ¹ p
f(x) = í
p – 2x 2
p
îï 3 , when x = 2

If f(x) is continuous at x = p, then the value of k is
(a) 3 (b) – 3 (c) 6 (d) – 6
 If A and B are two given sets, then A Ç (A Ç B)C is :
 A (b) B (c) A Ç BC (d) AC Ç B
 The value of the parameter a, for which the function f(x) = 1 + ax, a ¹ 0 is the inverse of itself, is
(a) – 2 (b) – 1 (c) 2 (d) 1
 Which of the following is not a convex set ?
(a) {(x, y) : x2 + y2 > 4} (b) {(x, y) : 2x + 5y < 7}
(c) {(x, y) : x2 + y2 £ 4} (d) {(x, y) : 2x + 5y > 7}
 Let A and B be two sets such that n(A) = 20, n(A È B) = 42 and n(A Ç B) = 4, then the value of n(B) is
(a) 16 (b) 20 (c) 26 (d) 30
 In a ring R, an element x is said to be an idempotent element if x2 = x. How many idempotent elements are there in the ring Z10 ?
(a) 1 (b) 2 (c) 3 (d) 4
 If a and b are different complex numbers with b = 2, then ïb – a ï is
ï4 – – ï
ï abï
(a) 0 (b) 1/2 (c) 1 (d) 2
 The square root of i is
(a) 1 (1 + i) (b) 1 (1 – i) (c) ±
(1 + i) (d) ±
(1 – i)
2 2
 If x + 3 ³ 10 then x is
(a) x Î [–13, 7] (b) x Î (– ¥, –13] È [7, ¥)
(c) x Î (– ¥, –13) È (7, ¥) (d) x Î (– 13, 7)
 If 0 < a < 1 and x > y, then
 logax > logay (b) logax < logay
(c) logax = logay (d) None of these
 The real values of x and y for which the following equation (1 – i) x + (1 + i) y = 1 – 3i satisfied are
(a) x = –2, y = 1 (b) x = –1, y = 2 (c) x = 1, y = 2 (d) x = 2, y = –1
 20 persons were invited for a party. What is the number of ways in which they and the host can be seated at a circular table such that two particular persons be seated on either side of the host ?
(a) 20 ! (b) 19 ! (c) 2(18 !) (d) (18 !)
 If nC8 = nC6, then the value of nC2 is
(a) 81 (b) 86 (c) 91 (d) 9
 The value of (7C0 + 7C1) + (7C1 + 7C2) + … + (7C6 + 7C7) is
(a) 27 – 1 (b) 28 – 1 (c) 28 – 2 (d) 28
 If ^{n}Pr = 720 and nCr = 120, then the value of r is
(a) 3 (b) 4 (c) 5 (d) 7
21. The minimum value of the expression 3x + 31 – x, xÎR is :
(c) 3 (d) 2 3(a) 0 (b) 1
Important Maths Questions PDF – Click below
Download the PDF for the Full paper — Important Maths Questions PDF
Lecturer exam Sample Paper in Hindi PDF 2020
Syllabus of Uttarakhand LT 2020 exam
For More information and Update visit the Official Website of UKSSSC
Also, Check – Uttarakhand Primary School Teacher Recruitment 2020