CBSE · Class 6-12

Back to sample papers

Full Mock · Class 8 · Attempt 1

Class-wide Mock Paper

30 questions · 76 marks · 180 minutes

00:01

Section A

Objective (1 mark each)

10 × 1 mk

A1

Distance

(0,0)

to

(3,4)

?

From: The Baudhāyana-Pythagoras Theorem · 1 mark

A2

A: 12 days, B: 15 days. Together?

From: Proportional Reasoning-2 · 1 mark

A3

Factorise

x^2-4x-12

.

From: We Distribute, Yet Things Multiply · 1 mark

A4

How many sides if exterior angle

30°

?

From: Exploring Some Geometric Themes · 1 mark

A5

2(x-1) = 8

.

From: Algebra Play · 1 mark

A6

Twice a number less 4 is 10.

From: Algebra Play · 1 mark

A7

Which shows proportion of parts?

From: Tales by Dots and Lines · 1 mark

A8

(a+b)^2 = ?

.

From: We Distribute, Yet Things Multiply · 1 mark

A9

(2\cdot 3)^2

.

From: Power Play · 1 mark

A10

Perfect square between 100 and 200?

From: A Square and A Cube · 1 mark

Section B

Very short answer (2 marks each)

6 × 2 mk

B1

3x-5 = 10

.

From: Algebra Play · 2 marks

B2

\tfrac 78 \div \tfrac{-1}{4}

.

From: A Story of Numbers · 2 marks

B3

Simplify

18:27

.

From: Proportional Reasoning-1 · 2 marks

B4

\tfrac 23 - \tfrac 14

.

From: A Story of Numbers · 2 marks

B5

7^0

.

From: Power Play · 2 marks

B6

20% of 250.

From: Proportional Reasoning-1 · 2 marks

Section C

Short answer (3 marks each)

8 × 3 mk

C1

Expand

(2x-3)^2

.

From: We Distribute, Yet Things Multiply · 3 marks

C2

Which transformation flips a shape?

From: Exploring Some Geometric Themes · 3 marks

C3

Reciprocal of

\tfrac 45

.

From: A Story of Numbers · 3 marks

C4

Factorise

x^2-25

.

From: We Distribute, Yet Things Multiply · 3 marks

C5

SI on ₹5000, 8%, 2 years.

From: Fractions in Disguise · 3 marks

C6

a:b=3:4

; if

a=15

, find

b

.

From: Proportional Reasoning-1 · 3 marks

C7

In proportion

2:3=x:9

,

x

?

From: Proportional Reasoning-1 · 3 marks

C8

\sqrt[3]{125}

.

From: A Square and A Cube · 3 marks

Section D

Long answer (5 marks each)

6 × 5 mk

D1

4^{-1}

.

From: Power Play · 5 marks

D2

Factorise

x^2+5x+6

.

From: We Distribute, Yet Things Multiply · 5 marks

D3

Circumference,

r=7

.

From: Area · 5 marks

D4

Interior angle of regular pentagon.

From: Exploring Some Geometric Themes · 5 marks

D5

Angles in pie chart sum to?

From: Tales by Dots and Lines · 5 marks

D6

(2^3)^{-1}

.

From: Power Play · 5 marks