Explore topic-wise MCQs in 8th Class.

This section includes 2318 Mcqs, each offering curated multiple-choice questions to sharpen your 8th Class knowledge and support exam preparation. Choose a topic below to get started.

2051.

Bhanu borrowed a certain sum of money at 12% per annum for 3 years and madhuri borrowed the same sum at 24% per annum for 10 years. Find the ratio of their amounts.

A. 0.04375
B. 0.0840277777777778
C. 0.085416666666667
D. 0.0868055555555556
Answer» E.
2052.

If 60% of the students in a school are boys and the number of girls is 972, how many boys are there in the school?

A. 1258
B. 1458
C. 1324
D. 1624
Answer» C. 1324
2053.

lf n is a negative integer, which of the following must be a positive integer?

A. \[n+2\]
B. \[2n\]
C. \[{{n}^{2}}-5\]
D. \[{{n}^{2}}+1\]
Answer» E.
2054.

If \[x+y+z=0,\] then \[3\left[ \frac{{{x}^{2}}}{yz}+\frac{{{y}^{2}}}{zx}+\frac{{{z}^{2}}}{xy} \right]\]=?

A. \[{{\left( xyz \right)}^{2}}\]
B. \[{{x}^{2}}+{{y}^{2}}+{{z}^{2}}\]
C. 9
D. 3
Answer» D. 3
2055.

If\[{{(3a+1)}^{2}}+{{(b-1)}^{2}}+{{(2c-3)}^{3}}=0\], then the value of (3a+b+2c) is equal to:

A. 3
B. -1
C. 2
D. 5
Answer» B. -1
2056.

\[(4x-7y)(4x-7y)\]equal 10

A. \[16{{x}^{2}}+56xy+49{{y}^{2}}\]
B. \[16{{x}^{2}}-8xy+49{{y}^{2}}\]
C. \[16{{x}^{2}}-56xy-49{{y}^{2}}\]
D. \[16{{x}^{2}}-56xy+49{{y}^{2}}\]
Answer» E.
2057.

Linear polynomials is

A. A polynomial of degree two in one variable.
B. A polynomial of degree three.
C. A polynomial of degree 1 in one variable.
D. A polynomial of degree zero.
Answer» D. A polynomial of degree zero.
2058.

A men spends Rs.3500 and save\[{{R}_{2}}%\] of his income. His monthly income is

A. Rs.4000
B. Rs.3800
C. Rs.4200
D. Rs.4500
Answer» B. Rs.3800
2059.

Find the solution set of \[8m+16\le -\,\,48\] and\[11\,m\ +\,27\le \,\,-28\].

A. \[-8\le ,\text{ }m\le ,\,8\]
B. \[-6\le \,m<5\]
C. \[-8\le ,m\le ,\,\,5\]
D. \[-6\le \,m\le -5\]
E. None of these
Answer» D. \[-6\le \,m\le -5\]
2060.

The ratio between a two digit number and the sum of digits of that number is 4 : 1. If the digit in the units place is 3 more than the digit in the tenth place. What is the number?

A. 63
B. 36
C. 48
D. Data is not sufficient
Answer» C. 48
2061.

A man sold 10 eggs for 5 rupees and gained 20%. How many eggs did he buy for 5 rupees?

A. 12
B. \[\frac{25}{12}\]
C. 25
D. None of these
Answer» B. \[\frac{25}{12}\]
2062.

DIRECTIONS: Passage-3 Read the passage(s) given below and answer the questions that follow. A man sold two pipes at Rs. 12 each. On one he gained 20% and on the other he lost 20%. What is the cost price of first pipe?

A. Rs. 12
B. Rs. 10
C. Rs. 11
D. Rs. 14
Answer» C. Rs. 11
2063.

A sum of money, at compound interest, yields Rs.200 and Rs.220 at the end of first and second year respectively. The rate % is

A. 20
B. 15
C. 10
D. 5
Answer» D. 5
2064.

Number of faces, vertices and edges in the square pyramid are respectively______.

A. 4, 6, 12
B. 7, 5, 10
C. 5, 5, 8
D. 4, 4, 6
Answer» D. 4, 4, 6
2065.

A rectangular photoframe is an example of which of the following?

A. A rectangular path
B. A groove
C. A circular path
D. A cylindrical shell
Answer» B. A groove
2066.

What is the flat surface of a solid figure called?

A. Vertex
B. Face
C. Edge
D. Solid
Answer» C. Edge
2067.

What solid do you get when you give a vertical cut to a brick of dimensions \[\text{5 }cm\text{ }\times 5\text{ }cm\times 10\text{ }cm\] along 10 cm side?

A. Cuboid
B. Cylinder
C. Cube
D. Triangle
Answer» B. Cylinder
2068.

What is the number of corners in a cone?

A. 1
B. 2
C. 3
D. 0
Answer» B. 2
2069.

Name the solid than can be formed from the given net.

A. Cylinder
B. Cuboid
C. Cone
D. Cube
Answer» C. Cone
2070.

The given figure shows a bulb that is kept just above a can of soft drink. What is the shape of the shadow of the can?

A. Rectangle
B. Circle
C. Square
D. Triangle
Answer» C. Square
2071.

Which row is matched incorrectly; Row Three-Dimensional Figure Horizontal/Vertical Cut Cross-section obtained I Horizontal Circle II Vertical cut parallel to front face Rectangle III Vertical Circle IV Vertical cut parallel to front face Rectangle

A. row I
B. row II
C. row III
D. row IV
Answer» E.
2072.

Identify the solid which has the following views.

A. A cube
B. A cuboid
C. A cone
D. A sphere
Answer» C. A cone
2073.

A hollow pipe is viewed from the side indicated by the arrow. What is the shadow obtained?

A. A ring
B. A circle
C. A cylinder
D. An ellipse
Answer» B. A circle
2074.

How many corners does the shape given have?

A. 8
B. 9
C. 12
D. 11
Answer» D. 11
2075.

Identify the false statement from the following.

A. A cuboid has 3 pairs of opposite faces.
B. The number of vertices of a cube is 6.
C. All sides of a square are equal.
D. A square pyramid is a three dimensional figure.
Answer» C. All sides of a square are equal.
2076.

What do you call a parallelogram which has equal diagonals?

A. A trapezium
B. A rectangle
C. A rhombus
D. A kite
Answer» C. A rhombus
2077.

Equilateral \[\Delta \,ABC\]is drawn on the side \[AB\] of square, ABDE. Find the measure of Y shown in the figure.

A. \[{{45}^{o}}\]
B. \[{{135}^{o}}\]
C. \[{{255}^{o}}\]
D. \[{{225}^{o}}\]
Answer» D. \[{{225}^{o}}\]
2078.

The number of sides of a regular polygon whose each exterior angle has a measure of \[\text{30 }\!\!{}^\circ\!\!\text{ }\] is ____.

A. 12
B. 6
C. 8
D. 10
Answer» B. 6
2079.

In a trapezium ABCD, AB is parallel to CD and the diagonals intersect each other at O. What is the ratio of OA and OC?

A. \[\frac{OB}{OD}\]
B. \[\frac{BC}{CD}\]
C. \[\frac{AD}{AB}\]
D. \[\frac{AC}{BD}\]
Answer» B. \[\frac{BC}{CD}\]
2080.

In the diagram, KLMN is a constructed parallelogram. What is the measure of \[\angle KLM\]?

A. \[{{15}^{o}}\]
B. \[{{30}^{o}}\]
C. \[{{45}^{o}}\]
D. \[{{60}^{o}}\]
Answer» D. \[{{60}^{o}}\]
2081.

The figure shows a hexagon ABCDEF. \[\angle A=\angle D={{100}^{o}}\].The other angles are of the same size. Find \[\angle ABC\].

A. \[{{100}^{o}}\]
B. \[{{110}^{o}}\]
C. \[{{130}^{o}}\]
D. \[{{120}^{o}}\]
Answer» D. \[{{120}^{o}}\]
2082.

Fill in the blanks. (i) Sum of interior angles of a polygon of n sides is P right angles. (ii) The measure of at least one Q angle of a concave quadrilateral is more than\[180{}^\circ \]. (iii) A quadrilateral which has only one pair of equal opposite angles is R . (iv) Sum of all exterior angles of a polygon of n sides is S .

A. P Q R S 4 Exterior Kite \[n\times 360{}^\circ \]
B. P Q R S \[n-2\] Exterior Trapezium \[n\times 180{}^\circ \]
C. P Q R S \[2n-4\] Interior Trapezium \[360{}^\circ \]
D. P Q R S 2 Interior Trapezium \[180{}^\circ \]
Answer» D. P Q R S 2 Interior Trapezium \[180{}^\circ \]
2083.

The quadrilateral having only one pair of opposite sides parallel is called a____ .

A. Square
B. Rhombus
C. Trapezium
D. Parallelogram
Answer» D. Parallelogram
2084.

ABC and DEF are straight lines. Find the value of 'x',

A. \[{{60}^{o}}\]
B. \[{{70}^{o}}\]
C. \[{{80}^{o}}\]
D. \[{{85}^{o}}\]
Answer» C. \[{{80}^{o}}\]
2085.

The ratio of two sides of a parallelogram is as 3 : 5, and its perimeter is 48 m, then the sides of the parallelogram is

A. 9 m, 15 m
B. 3 m, 5 m
C. 33 m, 25 m
D. none of these
Answer» B. 3 m, 5 m
2086.

Sides BA and DC of a quadrilateral ABCD are produced as shown in figure, then \[\angle \mathbf{a}+\angle \mathbf{b}\] is equal to

A. \[\angle x-\angle y\]
B. \[\angle x+\angle y\]
C. \[\angle x+\angle 2y\]
D. none of these
Answer» C. \[\angle x+\angle 2y\]
2087.

In a quadrilateral ABCD, the angles A, B, C and D are in the ratio 1:2:3:4, Then the measure of each angles of the quadrilateral is

A. \[{{36}^{{}^\circ }},{{72}^{{}^\circ }},{{108}^{{}^\circ }},{{144}^{{}^\circ }}\]
B. \[{{45}^{{}^\circ }},{{110}^{{}^\circ }},{{55}^{{}^\circ }},{{150}^{{}^\circ }}\]
C. \[{{15}^{{}^\circ }},{{130}^{{}^\circ }},{{45}^{{}^\circ }},{{150}^{{}^\circ }}\]
D. none of these
Answer» B. \[{{45}^{{}^\circ }},{{110}^{{}^\circ }},{{55}^{{}^\circ }},{{150}^{{}^\circ }}\]
2088.

If ABCD is a parallelogram, find the value of \[\angle A-\angle C.\]

A. \[180{}^\circ \]
B. \[0{}^\circ \]
C. \[360{}^\circ \]
D. \[90{}^\circ \]
Answer» C. \[360{}^\circ \]
2089.

In the given figure, ABCD is a square. A line segment DX cuts the side BC at X and the diagonal AC at O Such that \[\angle \mathbf{COD}=\mathbf{11}{{\mathbf{5}}^{{}^\circ }}\]and \[\angle \mathbf{OXC}={{\mathbf{x}}^{{}^\circ }}\]. The value of x is:

A. \[{{40}^{{}^\circ }}\]
B. \[{{70}^{{}^\circ }}\]
C. \[{{80}^{^{{}^\circ }}}\]
D. \[{{85}^{{}^\circ }}\]
Answer» C. \[{{80}^{^{{}^\circ }}}\]
2090.

In the adjoining figure, ABCD is a quadrilateral in which AB is the longest side and CD is the shortest side, then:

A. \[\angle C>\angle A\,and\,\angle D>\angle B\]
B. \[\angle C>\angle A\,and\,\angle B>\angle D\]
C. \[\angle C<\angle A\,and\,\angle D<\angle B\]
D. \[\angle C<\angle A\,and\,\angle D=\angle B\]
Answer» B. \[\angle C>\angle A\,and\,\angle B>\angle D\]
2091.

If ABCD is a quadrilateral whose diagonals AC and BD intersect at 0, then:

A. \[\left( AB+BC+CD+DA \right)<\left( AC+BD \right)\]
B. \[\left( AB+BC+CD+DA \right)>2\left( AC+BD \right)\]
C. \[\left( AB+BC+CD+DA \right)>\left( AC+BD \right)\]
D. \[AB+BC+CD+DA-2\left( AC+BD \right)\]
Answer» D. \[AB+BC+CD+DA-2\left( AC+BD \right)\]
2092.

Which of the following is not true for a rhombus?

A. All four sides are equal.
B. Diagonals bisect each other.
C. Diagonals bisect opposite angles.
D. One angle between the diagonals is \[60{}^\circ \].
Answer» E.
2093.

BEST is a rhombus in which \[\angle \mathbf{T}=\mathbf{12}{{\mathbf{0}}^{{}^\circ }}\]and \[TE=6cm.\]The perimeter of the rhombus is ___cm

A. 24cm
B. 12cm
C. 18cm
D. 30cm
Answer» B. 12cm
2094.

In a quadrilateral PQRS, \[\angle \mathbf{P}:\angle \mathbf{Q}:\angle \mathbf{R}:\angle \mathbf{S}=\mathbf{2}:\mathbf{3}:\mathbf{3}:\mathbf{2}.\]Then QRS is a ______

A. Parallelogram
B. Isosceles trapezium
C. Rectangle
D. square
Answer» B. Isosceles trapezium
2095.

In a parallelogram ABCD, if \[\angle \mathbf{A}=\mathbf{4}\angle \mathbf{B}\], then \[\angle \mathbf{A}+\angle \mathbf{C}\]

A. \[{{260}^{{}^\circ }}\]
B. \[{{150}^{{}^\circ }}\]
C. \[{{140}^{{}^\circ }}\]
D. \[{{288}^{{}^\circ }}\]
Answer» E.
2096.

In fig. BEST is a parallelogram. Find the value x, y and z

A. \[{{100}^{{}^\circ }},{{90}^{{}^\circ }},{{70}^{{}^\circ }}\]
B. \[{{90}^{{}^\circ }},{{60}^{{}^\circ }},{{70}^{{}^\circ }}\]
C. \[{{60}^{{}^\circ }},{{110}^{{}^\circ }},{{70}^{{}^\circ }}\]
D. \[{{100}^{{}^\circ }},{{100}^{{}^\circ }},{{80}^{{}^\circ }}\]
Answer» E.
2097.

Find the angle measure x in the figure.

A. \[{{150}^{{}^\circ }}\]
B. \[{{140}^{{}^\circ }}\]
C. \[{{130}^{{}^\circ }}\]
D. \[{{160}^{{}^\circ }}\]
Answer» C. \[{{130}^{{}^\circ }}\]
2098.

Each interior angle of a regular polygon is \[150{}^\circ \]. Identify the number of sides of the polygon.

A. 10
B. 11
C. 13
D. 12
Answer» E.
2099.

A parallelogram each of whose angles measures \[\mathbf{90}{}^\circ \]is

A. Rectangle
B. Rhombus
C. Kite
D. Trapezium
Answer» B. Rhombus
2100.

All the sides of a regular polygon are

A. Parallel
B. Equal in length
C. Not parallel
D. Not equal
Answer» B. Equal in length