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.

In expressions ax + by and 8x - 4y, a, b, 8 and 4 are

A. variables
B. coefficients
C. exponents
D. powers
Answer» C. exponents
2.

Which one is the irrational number?

A. 2 ⁄ 3
B. √4
C. 3 ⁄ 5
D. 3 ⁄ 7
Answer» C. 3 ⁄ 5
3.

A number which can be expressed in the form(p ⁄ q), where p and q are integers and q ≠ 0 is called

A. irrational number
B. rational number
C. prime number
D. real number
Answer» C. prime number
4.

The simplest form of √147 should be

A. 7√3
B. 7
C. 3√7
D. 14
Answer» B. 7
5.

A number which is not a rational number is called

A. irrational number
B. rational number
C. prime number
D. real number
Answer» B. rational number
6.

A surd which has rational factor other than unity and the other factors being irrational is said to be

A. mixed surd
B. pure surd
C. similar surd
D. unlike surd
Answer» B. pure surd
7.

Any element from the set of real numbers is also called a

A. scalar
B. factor
C. transpose
D. coefficient
Answer» B. factor
8.

In a unit matrix, number of diagonal elements are

A. 2
B. 3
C. 1
D. 0
Answer» D. 0
9.

If Bt = B then the matrix B is called

A. symmetric
B. skew symmetric
C. Transpose
D. determinant
Answer» B. skew symmetric
10.

We can subtract two matrices A and B if their

A. elements are same
B. order is same
C. rows are same
D. columns are same
Answer» C. rows are same
11.

A matrix with only 1 column is called

A. column matrix
B. row matrix
C. identical matrix
D. square matrix
Answer» B. row matrix
12.

If θ is 180° and radius is 4.9 cm, the length should be

A. 15.4 cm
B. 16 cm
C. 10 cm
D. 13.6 cm
Answer» B. 16 cm
13.

2π radians are equal to

A. 180°
B. 360°
C. 90°
D. 270°
Answer» C. 90°
14.

Cosecθ equals to

A. 1 ⁄ sinθ
B. 1 ⁄ secθ
C. 1 ⁄ cosθ
D. 1 ⁄ cotθ
Answer» B. 1 ⁄ secθ
15.

The value of 3π ⁄ 4 into degrees should be

A. 120°
B. 150°
C. 135°
D. 90°
Answer» D. 90°
16.

1 + cot²θ equals to

A. sec²θ
B. sin²θ
C. cosec²θ
D. cos²θ
Answer» D. cos²θ
17.

Any two numbers x and y, written in the form(x,y) is called

A. binary relation
B. domain
C. range
D. an ordered pair
Answer» E.
18.

A set with no element in it is known as

A. subset
B. singleton set
C. power set
D. empty set
Answer» E.
19.

The set N = {2, 3, 5, 7, 11, 13, 17.....} is known as

A. set of prime numbers
B. set of natural numbers
C. set of whole numbers
D. set of odd numbers
Answer» B. set of natural numbers
20.

A line segment joining any 2 points on the circumference of a circle is called

A. arc
B. chord
C. segment
D. radius
Answer» C. segment
21.

A tangent line intersects the circle at

A. two points
B. three points
C. single point
D. no point
Answer» D. no point
22.

A rational fraction N(x) ⁄ D(x), with D(x) not equal to zero and degree of the N(x) is less than degree of D(x) is known as

A. proper fraction
B. rational fraction
C. irrational fraction
D. improper fraction
Answer» B. rational fraction
23.

A line that intersects two lines in different points is known as

A. angles
B. transversal lines
C. vertex
D. parallel lines
Answer» C. vertex
24.

A straight line which touches the circumference of a circle at a single point only is known as

A. secant
B. sector
C. tangent
D. segment
Answer» D. segment
25.

If A is a matrix of order(m - by - n) then a matrix(n - by - m) obtained by interchanging the rows and columns of A is called the

A. additive inverse of A
B. transpose of A
C. determinant of A
D. order of A
Answer» C. determinant of A
26.

Which one is the rational number?

A. 3 ⁄ 5
B. √3
C. 3 + 4√7
D. 7 ⁄ √4
Answer» B. √3
27.

(a + b)² + (a - b)² is equal to

A. a² + b²
B. 2(a² + b²)
C. a² - b²
D. 2(a² - b²)
Answer» C. a² - b²
28.

A³ - 3ab(a - b) - b³ is equal to

A. (a - b)³
B. (a + b)³
C. a³ + b³
D. a³ - b³
Answer» B. (a + b)³
29.

If an expression consists of two terms in which at least one term is a surd is known as

A. pure surd
B. binomial surd
C. similar surd
D. unlike surd
Answer» C. similar surd
30.

In algebra, we use alphabets such as x, y, z to denote

A. operational signs
B. constants
C. any numerical value
D. polynomial
Answer» D. polynomial
31.

The interior angles of any triangle sum up to

A. 90°
B. 180°
C. 270°
D. 360°
Answer» C. 270°
32.

The types of triangles are

A. 2
B. 5
C. 3
D. 4
Answer» D. 4
33.

Area of a triangle with base b and height h is represented by

A. 1 ⁄ 2 × bh
B. 2 + bh
C. 2 × bh
D. 2 ⁄ bh
Answer» B. 2 + bh
34.

A polygon having 7 sides is called

A. decagon
B. heptagon
C. quadrilateral
D. hexagon
Answer» C. quadrilateral
35.

The circle touching one side of the triangle externally and two produced sides internally is called

A. circumangle
B. circumference
C. e - circle
D. e - center
Answer» D. e - center
36.

A polygon having 9 sides is called

A. decagon
B. quadrilateral
C. nonagon
D. hexagon
Answer» D. hexagon
37.

Angles that are exactly 90° are known as

A. acute angles
B. reflective angles
C. obtuse angles
D. right angles
Answer» E.
38.

Area of the circle is calculated by

A. π ⁄ r²
B. πr²
C. π²r
D. r² ⁄ π
Answer» C. π²r
39.

If the radius of a circle is increased by 30% then its area is increased by

A. 0.4
B. 0.69
C. 0.7
D. 0.5
Answer» C. 0.7
40.

Circumference of the circle is calculated by

A. 2πr
B. 2π ⁄ r
C. πr ⁄ 2
D. πr
Answer» B. 2π ⁄ r
41.

The minimum and the maximum values defined for a class or group is called

A. mid-point
B. class limit
C. median
D. standard deviation
Answer» C. median
42.

The measures that are used to determine the degree or extent of variation in a data set are called

A. mean
B. median
C. measures of dispersion
D. measures of central tendency
Answer» E.
43.

The difference of any value of the variable from a constant is known as

A. mid-point
B. median
C. Arithmetic mean
D. deviation
Answer» E.
44.

Three or more points lying on the same line are known as

A. non-collinear points
B. center points
C. collinear points
D. fixed points
Answer» D. fixed points
45.

The portion of a circle bounded by an arc and a corresponding chord is called

A. quadrants
B. segment
C. diameter
D. sector
Answer» C. diameter
46.

Any two angles in the same segment of a circle are

A. equal
B. not equal
C. reflective
D. opposite
Answer» B. not equal
47.

A straight line which cuts the circumference of a circle in two distinct points is known as

A. tangent
B. secant
C. segment
D. sector
Answer» C. segment
48.

A rational fraction N(x) ⁄ D(x), with D(x) not equal to zero and degree of the N(x) is greater or equal than degree of D(x) is known as

A. proper fraction
B. rational fraction
C. irrational fraction
D. improper fraction
Answer» E.
49.

The mean is affected by change in

A. origin
B. scale
C. none
D. both A and B
Answer» E.
50.

The middle most observation in an arranged data set is known as

A. mean
B. median
C. mode
D. standard deviation
Answer» C. mode