Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

Intersection of two sets A and B is

A. A = B
B. A ? B
C. A ? B
D. A n B
Answer» B. A ? B
2.

Letters of CANADA taken all at a time can be written in

A. 2 ways
B. 6 ways
C. 24 ways
D. 720 ways
Answer» B. 6 ways
3.

Inverse of an identity relation is

A. Not an identity relation
B. Not a relation
C. An identity relation
D. An empty set
Answer» B. Not a relation
4.

If tan? < 0, sin? < 0, then terminal arm of angle lies in quadrant

A. 1
B. 2
C. 3
D. 4
Answer» B. 2
5.

If tan? > 0, sin? < 0, then terminal arm of angle lies in quadrant

A. 1
B. 2
C. 3
D. 4
Answer» E.
6.

If X is an image of Y under function f, we write it as

A. Y = x
Answer» B.
7.

If x4 3x + 5 is divided by 2x 1, then remainder is

A. 35?16
B. ?35?16
C. ?9
D. 3
Answer» B. ?35?16
8.

If y is an image of x under function f, we write it as

A. Y = x
Answer» B.
9.

If z = 5 -3( ?), then z inverse =

A. 5 /34 + (?) 3?34
B. 5 /44 + (?) 3?34
C. 5 /34 - (?) 3?34
D. 5 /34 - (?) 9?34
Answer» B. 5 /44 + (?) 3?34
10.

If z1 = 2 + ?, z2 = 1 + 3?, then ? Re ( z1 z2 ) =

A. 1
B. ?
C. 2 ?
D. 2
Answer» B. ?
11.

If z1 = 2 + ?, z2 = 2 + ?, then Im ( z1 + z2 )

A. 3
B. 3?
C. 2
D. 2?
Answer» B. 3?
12.

If ?,?,? are angles of a triangle ABC, then cos(? + ?) =

A. Sin?
B. ?cos?
C. Cos?
D. ?sin?
Answer» B. ?cos?
13.

If ?,?,? are angles of a triangle ABC, then sin(? + ?) =

A. Tan?
B. ?cos?
C. Cos?
D. Sin?
Answer» B. ?cos?
14.

If ? is imaginary cube root of unity, then ? =

A. 1
B. 0
C. ?-2
D. 2?
Answer» B. 0
15.

In 30 minutes, hours hand of a clock turns through

A. ?/6 radians
B. ?/12 radians
C. ?/24 radians
D. ? radians
Answer» B. ?/12 radians
16.

In 30 minutes, minutes hand of a clock turns through

A. 5?/6 radians
B. 4?/9 radians
C. ?/4 radians
D. 2? radians
Answer» B. 4?/9 radians
17.

If nC12 = nC6 value of n is

A. 12
B. 14
C. 16
D. 18
Answer» E.
18.

If nC5 = nC4 value of n is

A. 11
B. 10
C. 9
D. 8
Answer» C. 9
19.

If P is perimeter of a square and A is its area, then P =

A. ?(A
B. 2?(A
C. 3?(A
D. 4?(A
Answer» B. 2?(A
20.

If p(x) is divided by x-r such that Q(x) is quotient and R is remainder, then division alogrithem is

A. P(x) = (x-r)Q(x) + R
B. P(x) = (x-r)R + Q(x)
C. Q(x) = (x-r)P(x) + R
D. Q(x) = (x-r)R + P(x)
Answer» B. P(x) = (x-r)R + Q(x)
21.

If a and d are first term and common difference of A.P respectively, then nth term of corresponding H.P is

A. An = a+(n-1)d
B. An = 1/a+(n-1)d
C. An = a/1+(n-1)d
D. An = a/a+(n-1)d
Answer» B. An = 1/a+(n-1)d
22.

If an+3 + bn+3/an+2 + bn+2 is arithmetic mean between a and b, then n =

A. ?1
B. 1
C. ?2
D. 0
Answer» B. 1
23.

If circumference of a circle is divided into 360 congruent parts, angle subtended by one part at center of circle is called

A. Angle
B. Radian
C. Degree
D. Minute
Answer» B. Radian
24.

If cot? < 0, cos? < 0, then terminal arm of angle lies in quadrant

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
25.

If cot? < 0, cos? > 0, then terminal arm of angle lies in quadrant

A. 1
B. 2
C. 3
D. 4
Answer» E.
26.

If cot? > 0 and sin? < 0, then terminal arc of angle lies in quadrant :

A. 1
B. 2
C. 3
D. 4
Answer» D. 4
27.

If f:X?Y is a function, then elements of X are called

A. Pre-images
B. Images
C. Constants
D. Ranges
Answer» B. Images
28.

If f:X?Y is a function, then y ?Y is called

A. Dependent variable of f
B. Independent variable of f
C. Value of f
D. Range of f
Answer» B. Independent variable of f
29.

If f:x?y is a function, then y ?Y is called the

A. Dependent variable of f
B. Independent variable of f
C. Value of f
D. Range of f
Answer» B. Independent variable of f
30.

If k is a constant, then function f:x?k is

A. Constant function
B. Cubic function
C. Quadratic function
D. Identity function
Answer» B. Cubic function
31.

If l and r are in cms, then unit of ? is in

A. Radians
B. Degrees
C. None of Above
Answer» B. Degrees
32.

If n is total number of geometric mean between a and b than nth geometric mean between a and b is

A. A(b/a)n/n+1
B. A(b/a)m/n+1
C. B(a/b)m/n+1
D. Ab
Answer» B. A(b/a)m/n+1
33.

If n is total number of harmonic mean between a and b then mth harmonic mean between a and b is

A. (n+1)ab/(n+1)+n(a-b)
B. (n+1)ab/(n+1)b+m(a-b)
C. (n+1)b+m(a-b)
D. (n+1)ba
Answer» B. (n+1)ab/(n+1)b+m(a-b)
34.

If A is area of circle and C is its circumference C, then C =

A. 8?(?A)
B. 4?(?A)
C. 2?(?A)
D. ?(?A)
Answer» B. 4?(?A)
35.

If a, b are elements of a group G, then (ab)-1 =

A. A-1 b-1
B. B-1 a-1
C. A-1 b
D. B-1 a
Answer» B. B-1 a-1
36.

If a, b are elements of a group G, then (ba)-1 =

A. A-1 b-1
B. B-1 a-1
C. A-1 b
D. B-1 a
Answer» B. B-1 a-1
37.

If a, b, c are elements of a group G, Then (abc)-1 =

A. A-1 b-1 c-1
B. Ab-1 bc-1
C. C-1 b-1 a-1
D. None of Above
Answer» B. Ab-1 bc-1
38.

Graph of quadratic function is

A. Circle
B. Parabola
C. Triangle
D. Rectangle
Answer» B. Parabola
39.

Graph of quadratic function represents

A. Triangle
B. Circle
C. Straight line
D. Parabola
Answer» B. Circle
40.

Harmonic mean between two numbers a and b is

A. A+b/2ab
B. A-b/2ab
C. 2ab/(a+b)
D. 2ab/a-b
Answer» B. A-b/2ab
41.

Identity element of a set X with respect to intersection in P(X) is

A. X
B. ?
C. Does not exist
D. 0
Answer» B. ?
42.

Identity element of a set X with respect to union in P(X) is

A. X
B. ?
C. Does not exist
D. 0
Answer» B. ?
43.

Identity relation in A = {1,2,3,4,5,6} is

A. {(1,1), (2,2),(3,3)}
B. {(4,4),(5,5)(6,6)}
C. {(1,1),(3,3)(4,4),(5,5)}
D. {(1,1),(2,2),(3,3),(4,4),(5,5),(6,6)
Answer» B. {(4,4),(5,5)(6,6)}
44.

If |A| ? 0, then A is

A. Zero matrix
B. Singular matrix
C. Non - singular matrix
D. Diagonal matrix
Answer» B. Singular matrix
45.

If A is a matrix of order m x n and B is a matrix of order n x p then order of AB is

A. P x m
B. P x n
C. N x p
D. M x p
Answer» B. P x n
46.

For all n belong to Z, ( cos? + ? sin? )n

A. Csc n? + ? sin n?
B. Tann? +? cotn?
C. Cosn? + ? sinn?
D. Cosn? - ? sinn?
Answer» B. Tann? +? cotn?
47.

For any subset A and B of U, (A ? B )c

A. A n B
B. A ? B
C. ?
D. Ac ? Bc
Answer» B. A ? B
48.

Function f = { (x,Y) | Y = mx + c } is

A. Quadratic function
B. Constant function
C. Cubic function
D. Linear function
Answer» B. Constant function
49.

Function f:x?1 is

A. Constant function
B. Cubic function
C. Quadratic function
D. Identity function
Answer» B. Cubic function
50.

Function I(x) = x is called the

A. Linear function
B. Identity function
C. Quadratic function
D. Cubic function
Answer» B. Identity function