MCQ Questions for Class 8 Maths with Answers

MCQ questions help students enhance their understanding of concepts and prepare effectively for exams. Class 8 Maths includes topics like algebra, geometry, fractions, and probability, making it essential to practice thoroughly. Here, a wide variety of questions and answers are provided to cover the subject comprehensively.

Algebra
Question What is the value of x if 3x + 5 = 20?

Answer x = 5

Question If 2x – 3 = 7, what is x?

Answer x = 5

Question Solve for y: 5y + 3 = 28.

Answer y = 5

Question Expand (x + 3)(x – 3).

Answer x² – 9

Question What is the coefficient of x in 4x + 7?

Answer 4

Question Solve: 3x/2 = 9.

Answer x = 6

Question If x² = 36, find x.

Answer x = ±6

Question Solve for x: x/4 + 3 = 7.

Answer x = 16

Question Simplify: (2x + 3) + (x – 5).

Answer 3x – 2

Question Find the value of x if 7x = 49.

Answer x = 7

Geometry
Question What is the sum of the angles of a triangle?

Answer 180°

Question Find the area of a rectangle with length 5 cm and breadth 3 cm.

Answer 15 cm²

Question What is the perimeter of a square with side 4 cm?

Answer 16 cm

Question If a circle has a radius of 7 cm, find its diameter.

Answer 14 cm

Question What is the value of π (pi) approximately?

Answer 3.14

Question A triangle has sides 3 cm, 4 cm, and 5 cm. Is it a right-angled triangle?

Answer Yes

Question What is the area of a circle with radius 7 cm?

Answer 154 cm²

Question Find the volume of a cube with side 3 cm.

Answer 27 cm³

Question What is the measure of each angle in an equilateral triangle?

Answer 60°

Question What is the perimeter of a rectangle with length 8 cm and breadth 4 cm?

Answer 24 cm

Fractions and Decimals
Question Simplify 3/4 + 2/4.

Answer 5/4 or 1 1/4

Question Convert 0.75 into a fraction.

Answer 3/4

Question Multiply 2.5 by 4.

Answer 10

Question Divide 7 by 0.5.

Answer 14

Question Add 0.4 and 0.6.

Answer 1.0

Question Subtract 5/8 from 3/4.

Answer 1/8

Question Simplify: 2.5 + 3.75.

Answer 6.25

Question Find the product of 1.2 and 3.

Answer 3.6

Question Divide 5/6 by 2.

Answer 5/12

Question Convert 2.5 into a fraction.

Answer 5/2

Probability and Statistics
Question What is the probability of getting a head when flipping a coin?

Answer 1/2

Question What is the mode of the data set: 2, 3, 3, 4, 5?

Answer 3

Question Find the median of the data set: 6, 8, 10, 12, 14.

Answer 10

Question What is the mean of the data set: 3, 6, 9, 12?

Answer 7.5

Question What is the probability of rolling a 5 on a die?

Answer 1/6

Question If a bag has 3 red balls and 2 blue balls, what is the probability of picking a red ball?

Answer 3/5

Question Find the range of the data set: 15, 20, 25, 10, 30.

Answer 20

Question A die is rolled. What is the probability of getting an even number?

Answer 1/2

Question What is the probability of drawing an ace from a deck of cards?

Answer 1/13

Question If the mean of five numbers is 12, what is their total sum?

Answer 60

Practicing these questions regularly improves mathematical concepts and problem-solving skills, preparing students for academic success and competitive exams.