CBSE · Class 6-10

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Full Mock · Class 8 · Attempt 1

Class-wide Mock Paper

30 questions · 76 marks · 180 minutes

00:02

Section A

Objective (1 mark each)

10 × 1 mk

A1

CI on

P = 5000, R = 8\%, n = 1

.

From: Comparing Quantities · 1 mark

A2

Factorise

4x^2 - 9

.

From: Factorisation · 1 mark

A3

Central angle for

25\%

.

From: Data Handling · 1 mark

A4

Factorise

x^3 - x

.

From: Factorisation · 1 mark

A5

Mean of

10, 12, 15, 8, 5

.

From: Data Handling · 1 mark

A6

Each interior angle of a regular hexagon.

From: Understanding Quadrilaterals · 1 mark

A7

Sum of any three-digit palindrome divisible by ___?

From: Playing with Numbers · 1 mark

A8

Area of trapezium parallel sides

14, 8

, height

6

.

From: Mensuration · 1 mark

A9

The sum of two consecutive numbers is

45

; find them.

From: Linear Equations in One Variable · 1 mark

A10

10

pens cost

\rupee 250

. Cost of

6

pens.

From: Direct and Inverse Proportions · 1 mark

Section B

Very short answer (2 marks each)

6 × 2 mk

B1

\sqrt{1225}

.

From: Squares and Square Roots · 2 marks

B2

Area of trapezium: parallels

8, 12

; height

5

.

From: Mensuration · 2 marks

B3

A rational between

1/2

and

3/4

.

From: Rational Numbers · 2 marks

B4

Solve

5(x-1) = 3(x+2)

.

From: Linear Equations in One Variable · 2 marks

B5

Distance-time graph with constant speed is a ___.

From: Introduction to Graphs · 2 marks

B6

(2/3)^{-2}

.

From: Exponents and Powers · 2 marks

Section C

Short answer (3 marks each)

8 × 3 mk

C1

Is

100

a perfect cube?

From: Cubes and Cube Roots · 3 marks

C2

Factorise

y^2 - 16

.

From: Factorisation · 3 marks

C3

Divide

-2/3 \div 4/9

.

From: Rational Numbers · 3 marks

C4

\dfrac{-3}{5}\times\dfrac{25}{9}

.

From: Rational Numbers · 3 marks

C5

2^3 \times 2^{-1}

.

From: Exponents and Powers · 3 marks

C6

Prove

ab + ba

is always divisible by

11

.

From: Playing with Numbers · 3 marks

C7

Volume of cylinder

r=3, h=7

(

\pi=\tfrac{22}{7}

).

From: Mensuration · 3 marks

C8

Minimum data for a parallelogram.

From: Practical Geometry · 3 marks

Section D

Long answer (5 marks each)

6 × 5 mk

D1

Convert profit

\%

to CP given SP and profit.

From: Comparing Quantities · 5 marks

D2

y

-axis line equation.

From: Introduction to Graphs · 5 marks

D3

\sqrt[3]{125}

.

From: Cubes and Cube Roots · 5 marks

D4

How many measurements needed to construct a quadrilateral?

From: Practical Geometry · 5 marks

D5

CI on

\rupee 5000

at

10\%

p.a. for

2

years.

From: Comparing Quantities · 5 marks

D6

Point on the

x

-axis with

x = 5

.

From: Introduction to Graphs · 5 marks