1.Which of the following is an A. P?
a. 1, 4, 9, …………
b. 2, 4, 6, ……..
c. 1, 1/2, 1/3, ……….
d. 1, 5, 11, 18, ….
Correct Answer: b
2.The general term of the sequenced 2, 4, 6, 8, ….. is
a. 2n-1
b. 3n-1
c. N
d. 2n
Correct Answer: c
3.Decimal which has a finite numbers of digits in its decimal part is called______ decimal.
a. terminaing
b. recuring
c. non recuring
d. terminating
Correct Answer: d
4.Multiplicative inverse of ′𝟎′ is
a. any real number
b. none of these
c. not defined
d. 0
Correct Answer: c
5.The 8th term of the Arithmetic sequenced 5, 9, 13, ……… is
a. 33
b. 34
c. 35
d. 31
Correct Answer: a
6.The set {1, 2, 3} and {2, 1, 3} are ……………….
a. equivalent
b. none of these
c. Equal
d. unequal
Correct Answer: c
7.A Singleton set has……………….
a. two elements
b. none of these
c. One Element
d. no element
Correct Answer: c
8.Every recurring non terminating decimal represents
a. W
b. E
c. L
d. Q
Correct Answer: d
9.The product of two conjugate complex numbers is
a. none of these
b. A real number
c. an imaginary number
d. not defined
Correct Answer: b
10.The set of odd numbers between 1 and 9 are
a. none of these
b. {3,5,7}
c. {1,3,5,7}
d. {1,3,5,7,9}
Correct Answer: b
11.A rectangular array of numbers enclosed by a square brackets is called:
a. column
b. none of these
c. Matrix
d. row
Correct Answer: c
12.If a matrix of order 𝒎 × 𝒏 then the matrix of order 𝒏 × 𝒎 is :
a. Inverse of A
b. column
c. none of these
d. Transpose of A
Correct Answer: d
13.Inverse of a line is
a. none of these
b. A line
c. a parabola
d. a hyperbola
Correct Answer: b
14.√ 2 is a __________ number.
a. prime
b. none of these
c. irrational
d. rational
Correct Answer: c
15.Additive inverse of (a, b) is …………..
a. none of these
b. (-a, -b)
c. (a,- b)
d. (- a, b)
Correct Answer: b
16.If a matrix A has only one row then it is called:
a. column vector
b. arial vector
c. none of these
d. Row vector
Correct Answer: d
17.The multiplicative inverse of a matrix exists only if it is:
a. null matrix
b. none of these
c. non singular
d. singular
Correct Answer: c
18.AU Φ =………………………….
a. none of these
b. A
c. U
d. E
Correct Answer: b
19.If a matrix A has same number of rows and columns then A is called:
a. rectangular matric
b. tabular marix
c. none of these
d. square matrix
Correct Answer: d
20.The equation in which variable occurs in exponent , called:
a. reciprocal function
b. none of these
c. Exponential equation
d. quadratic function
Correct Answer: c
21.Sum of all cube roots of 64 is :
a. 0
b. 1
c. 2
d. 3
Correct Answer: a
22.The complex cube roots of unity are………………. each other.
a. none of these
b. conjugate
c. additive inverse
d. reciprocal function
Correct Answer: b
23.Degree of quadratic equation is:
a. 2
b. 3
c. 4
d. 1
Correct Answer: a
24.The sum of the roots of the quadratic equation, is
a. minus b over b
b. none of these
c. minus b over a
d. minus a over b
Correct Answer: c
25.The inverse of unit matrix is:
a. singular
b. skewness
c. none of these
d. unit
Correct Answer: d
26.The matrix [7] is:
a. row matrix
b. column matric
c. all of these
d. square matrix
Correct Answer: d
27.Basic techniques for solving quadratic equations are
a. 3
b. 2
c. 1
d. 4
Correct Answer: a
28.Sum of cube root of unity
a. 0
b. 1
c. 2
d. 4
Correct Answer: a
29.The product of the cube roots of unity is
a. 1
b. 2
c. 0
d. 3
Correct Answer: a
30.A sequence is also known as:
a. real sequence
b. arrangement
c. none of these
d. progression
Correct Answer: d
31.nth term of an A.P is 𝟑𝒏 − 𝟏 then 10th term is :
a. 29
b. 19
c. 12
d. 14
Correct Answer: a
32.Minimum number of equation for any system of equations
a. 2
b. 3
c. 4
d. 5
Correct Answer: a
33.Which term of the sequenced 3, 9, 15, …….. is 117
a. 20
b. 19
c. 18
d. 11
Correct Answer: a
34.A geometric series cannot contain ____ as a term.
a. 0
b. 1
c. 2
d. 4
Correct Answer: a
35.The arrangement of number formed according to some definite rule is called _____
a. function
b. series
c. none of these
d. sqeuence
Correct Answer: d
36.Trigonometry is the branch of math’s in which we study……..
a. square
b. circle
c. none of these
d. triangle
Correct Answer: d
37.An angle is the square is the union of two……….rays having a common vertex.
a. perpendicular
b. coolinear
c. non collinear
d. opposite
Correct Answer: b
38.An angle less than 90o is called…..angle
a. none of these
b. acute
c. right
d. alternate
Correct Answer: b
39.If a circle is divided into 360 equal parts then cache part is called —–
a. minute
b. quadrant
c. degree
d. radian
Correct Answer: c
40.The angle of an arc of a circle where arc length is equal to the radius of the circle is called…
a. degree
b. minute
c. quadrant
d. radian
Correct Answer: d
41.The sum of terms of a sequence is called:
a. partial sum
b. finite sum
c. none of these
d. series
Correct Answer: d
42.If the rotation of the angle is counter clock wise, then angle is:
a. negative
b. non negative
c. none of these
d. positive
Correct Answer: d
43.Relation between the lengths of a circular arc ‘ℓ’ & the radian measure of its central angle ‘θ’ is
a. l = r / θ
b. θ = l r
c. none of these
d. r = l / θ
Correct Answer: d
44.In which quadrant does the terminal side lie of Sin θ < 0?
a. none of these
b. 3rd Q
c. 2nd Q
d. 1st Q
Correct Answer: b
45.1 quadrant = ……….
a. 360 o
b. 90 o
c. 45 o
d. 180 o
Correct Answer: b
46.The sequence -1, 1, -1, 1…..is _______
a. H.P
b. none of these
c. G.P
d. A.P
Correct Answer: c
47.Two rays with a common starting point form:
a. minute
b. angle
c. triangle
d. radian
Correct Answer: b
48.A set has …………… objects.
a. identical
b. not well defined
c. none of these
d. well defined and distinct
Correct Answer: d
49.If A = { } then P (A) = ……………………
a. {1}
b. {2}
c. empty set
d. {0}
Correct Answer: c
50.The sum of terms of a sequence is called:
a. partial sum
b. finite sum
c. none of these
d. series
Correct Answer: d