CBSE Class 8 Maths MCQ Questions with Answers

Mathematics is one of the most important and high-scoring subjects in CBSE Class 8. With the new exam pattern focusing more on objective-type questions, it has become essential for students to practice CBSE Class 8 Maths MCQs on a regular basis.

The Multiple Choice Questions (MCQs) for Class 8 Maths are designed strictly according to the latest CBSE Class 8 Syllabus and NCERT textbook chapters. These questions help students strengthen their conceptual knowledge, improve problem-solving speed, and prepare effectively for their annual school exams, Olympiads, and other competitive exams.

Why Should Students Practice CBSE Class 8 Maths MCQs?

Practicing Maths MCQs for Class 8 CBSE offers multiple benefits to students preparing for exams. Some key advantages include:

• Quick Revision Tool → MCQs provide a faster way to revise entire chapters in less time.
• Exam Preparation → Objective questions make students familiar with the CBSE exam pattern.
• Concept Clarity → Each MCQ tests a student’s understanding of the fundamental concepts of mathematics.
• Accuracy and Speed → Online MCQ tests improve time management and problem-solving speed.
• Confidence Building → Practicing different levels of questions boosts confidence for school and competitive exams.

Solving Class 8 Maths MCQs online and offline ensures that students are well-prepared for their final examination.

CBSE Class 8 Maths MCQs (Chapter-wise)

Chapter 1: Rational Numbers

Q1. Which of the following is a rational number?
a) √2
b) π
c) 5/9
d) e
Answer: c) 5/9
Explanation: Rational numbers are of the form p/q, where q ≠ 0.

Q2. Additive inverse of –7/9 is:
a) 7/9
b) –7/9
c) 9/7
d) 0
Answer: a) 7/9
Explanation: Additive inverse of a/b is –a/b.

Q3. Which of these is not a property of rational numbers?
a) Closure
b) Commutativity
c) Associativity
d) Irrationality
Answer: d) Irrationality

Chapter 2: Linear Equations in One Variable

Q1. Solve: 2x – 7 = 5
a) 5
b) 6
c) 7
d) 4
Answer: b) 6
Explanation: 2x = 12 ⇒ x = 6.

Q2. Which of these is a linear equation in one variable?
a) x² + 2 = 0
b) 2x + 3 = 7
c) xy = 10
d) y² – 3 = 0
Answer: b) 2x + 3 = 7

Q3. If 3x – 4 = 2, then value of x is:
a) 2
b) 3
c) 4
d) 6
Answer: a) 2

Chapter 3: Understanding Quadrilaterals

Q1. The sum of interior angles of a quadrilateral is:
a) 90°
b) 180°
c) 270°
d) 360°
Answer: d) 360°

Q2. How many diagonals does a hexagon have?
a) 6
b) 7
c) 9
d) 12
Answer: d) 9

Q3. Which quadrilateral has opposite sides parallel and equal?
a) Trapezium
b) Parallelogram
c) Kite
d) Rhombus
Answer: b) Parallelogram

Chapter 4: Practical Geometry

Q1. To construct a quadrilateral, minimum number of measurements required is:
a) 2
b) 3
c) 4
d) 5
Answer: d) 5

Q2. A triangle can be constructed if sum of any two sides is:
a) less than third side
b) equal to third side
c) greater than third side
d) none
Answer: c) greater than third side

Chapter 5: Data Handling

Q1. The mean of first five natural numbers is:
a) 2
b) 3
c) 4
d) 5
Answer: b) 3

Q2. Median of 4, 6, 8, 10, 12 is:
a) 6
b) 8
c) 10
d) 12
Answer: b) 8

Q3. In a die throw, probability of getting an even number is:
a) 1/2
b) 1/3
c) 2/3
d) 1/6
Answer: a) 1/2

Chapter 6: Squares and Square Roots

Q1. Square of 25 is:
a) 225
b) 625
c) 125
d) 525
Answer: b) 625

Q2. Which of these numbers is a perfect square?
a) 50
b) 81
c) 98
d) 115
Answer: b) 81

Q3. Square root of 144 is:
a) 11
b) 12
c) 13
d) 14
Answer: b) 12

Chapter 7: Cubes and Cube Roots

Q1. Cube of 4 is:
a) 16
b) 32
c) 64
d) 256
Answer: c) 64

Q2. Cube root of 512 is:
a) 6
b) 7
c) 8
d) 9
Answer: c) 8

Q3. Which number is a perfect cube?
a) 24
b) 64
c) 72
d) 100
Answer: b) 64

Chapter 8: Comparing Quantities

Q1. 20% of 250 is:
a) 40
b) 45
c) 50
d) 55
Answer: b) 50

Q2. A sum of ₹5000 is borrowed at 10% simple interest for 2 years. Interest = ?
a) ₹1000
b) ₹800
c) ₹1200
d) ₹2000
Answer: a) ₹1000

Q3. The price of a fan is ₹1200 after 20% discount. Original price = ?
a) ₹1400
b) ₹1500
c) ₹1600
d) ₹1800
Answer: c) ₹1500

Chapter 9: Algebraic Expressions and Identities

Q1. (a + b)² = ?
a) a² + b²
b) a² + 2ab + b²
c) a² – 2ab + b²
d) none
Answer: b) a² + 2ab + b²

Q2. Simplify: (x + 3)(x – 3)
a) x² – 9
b) x² + 9
c) x² – 6
d) none
Answer: a) x² – 9

Chapter 10: Visualising Solid Shapes

Q1. A cube has how many faces?
a) 4
b) 6
c) 8
d) 12
Answer: b) 6

Q2. How many edges does a cuboid have?
a) 8
b) 12
c) 16
d) 20
Answer: b) 12

Chapter 11: Mensuration

Q1. Area of a square of side 10 cm = ?
a) 50 cm²
b) 100 cm²
c) 200 cm²
d) 400 cm²
Answer: d) 100 cm²

Q2. Volume of cube with side 5 cm = ?
a) 25 cm³
b) 100 cm³
c) 125 cm³
d) 150 cm³
Answer: c) 125 cm³

Chapter 12: Exponents and Powers

Q1. Simplify: (2³)²
a) 2⁵
b) 2⁶
c) 2⁸
d) 2⁹
Answer: b) 2⁶ = 64

Q2. Write 0.00027 in standard form:
a) 2.7 × 10⁻⁴
b) 2.7 × 10⁻⁵
c) 27 × 10⁻³
d) 27 × 10⁻⁴
Answer: b) 2.7 × 10⁻⁴

Chapter 13: Direct and Inverse Proportion

Q1. If 5 workers can build a wall in 10 days, 10 workers will build it in:
a) 2 days
b) 4 days
c) 5 days
d) 6 days
Answer: c) 5 days (Inverse proportion).

Q2. If 4 pens cost ₹40, cost of 7 pens = ?
a) ₹60
b) ₹70
c) ₹80
d) ₹100
Answer: b) ₹70

Chapter 14: Factorisation

Q1. Factorise: x² – 9
a) (x + 3)(x – 3)
b) (x – 9)(x + 1)
c) (x – 2)(x – 7)
d) none
Answer: a) (x + 3)(x – 3)

Q2. Factorise: 2x² + 5x + 3
a) (2x + 3)(x + 1)
b) (2x – 1)(x + 3)
c) (2x + 1)(x + 3)
d) none
Answer: a) (2x + 3)(x + 1)

Chapter 15: Introduction to Graphs

Q1. The point (3, 0) lies on:
a) x-axis
b) y-axis
c) origin
d) none
Answer: a) x-axis

Q2. The point (0, –5) lies on:
a) x-axis
b) y-axis
c) both
d) none
Answer: b) y-axis

Chapter 16: Playing with Numbers

Q1. The divisibility rule for 9 is:
a) Last digit even
b) Sum of digits divisible by 9
c) Last digit divisible by 3
d) none
Answer: b) Sum of digits divisible by 9

Q2. If a number is divisible by 10, it must end with:
a) 2
b) 5
c) 0
d) none
Answer: c) 0

Features of CBSE Class 8 Maths MCQs

Our Class 8 Maths MCQs with answers are specially designed to meet the exact needs of CBSE students. Some important features include:

• Latest Exam Pattern Followed – MCQs are designed according to CBSE’s latest guidelines.
• Chapter-Wise Coverage – All NCERT Class 8 Maths chapters are included with topic-wise questions.
• Step-by-Step Solutions – Each MCQ comes with an explanation to help students understand concepts clearly.
• Based on Previous Year Papers – Includes questions inspired by previous CBSE exams & Olympiad papers.
• Downloadable PDFs – Students can download Class 8 Maths MCQs PDF with answers for free.
• Online Practice Available – Attempt MCQs online with a timer-based test experience.

Why Practice Class 8 Math MCQs?

The CBSE has introduced more competency-based questions in Class 8 Annual Exams, including MCQs, case studies, and assertion-reasoning. To excel, students must grasp basic Math concepts. Practicing these MCQs is a convenient way to grasp fundamental concepts quickly. Crafted by experts, these MCQs align with the new exam pattern and NCERT book. Using these quizzes is a quick way to learn the important stuff. They're made by experts to match what you're studying and the new exam style. By doing these quizzes, you'll get better at solving problems and feel more confident for your exams.

Benefits of Practicing Class 8 Maths MCQs 

Practicing CBSE Class 8 Maths multiple-choice questions provides students with a real exam-like experience.

• Online Mode: Students can attempt quizzes anytime and get instant results with detailed explanations.
• Offline Mode (PDF): Students can download Class 8 Maths MCQs with answers PDF and revise at their own pace.
• Competitive Edge: MCQs not only help in CBSE annual exams but also in NTSE, Olympiads, and entrance exams.
• Time Management: Online practice tests come with a timer to improve speed and accuracy.

How to Attempt CBSE Class 8 Maths MCQs?

Here’s a simple step-by-step guide to practice Class 8 Maths MCQs effectively:

1. Select the chapter-wise MCQs for Class 8 Maths that you want to practice.
2. Attempt the questions in online test format (timer-based).
3. Review your answers and check the detailed solutions provided.
4. Revise incorrect questions and attempt them again for better accuracy.
5. Download the free CBSE Class 8 Maths MCQ PDF with answers for offline revision.