Class 8 Mathematics Mots Repered 75 MCQS

Class 8 Mathematics  Most  Repeated 75  MCQS

Boost your exam preparation with our expertly curated list of the 75 Most Repeated Class 8 Mathematics MCQs. This comprehensive collection covers all key topics based on past papers and syllabus trends. Ideal for quick revision, practice tests, and self-assessment. Perfect resource for students, teachers, and tutors preparing for Class 8 Maths exams. Download or view online for free!

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🧠 Class 8 Mathematics Most Repeated 75 MCQs – Exam Preparation Guide

1. Rational Numbers

1. What is the reciprocal of $\frac{5}{7}$?
   a) $\frac{7}{5}$
   b) $\frac{-7}{5}$
   c) $\frac{5}{-7}$
   d) 1

2. Which of the following is a rational number?
   a) $\sqrt{2}$
   b) $\pi$
   c) $\frac{3}{4}$
   d) $\sqrt{5}$

3. Rational numbers are closed under:
   a) Addition
   b) Subtraction
   c) Multiplication
   d) All of the above

4. The additive identity for rational numbers is:
   a) 0
   b) 1
   c) -1
   d) $\frac{1}{2}$

5. Which of the following is not a rational number?
   a) 0
   b) 1
   c) $\sqrt{3}$
   d) $\frac{1}{3}$

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2. Linear Equations in One Variable

6. The solution of $2x + 3 = 7$ is:
   a) 1
   b) 2
   c) 3
   d) 4

7. Solve for x: $3x - 5 = 10$
   a) 3
   b) 5
   c) 6
   d) 15

8. A linear equation has:
   a) No solution
   b) One solution
   c) Two solutions
   d) Infinite solutions

9. If $x = 4$, what is the value of $2x + 1$?
   a) 7
   b) 8
   c) 9
   d) 10

10. The solution of the equation $x + \frac{1}{2} = \frac{3}{2}$ is:
    a) 0
    b) 1
    c) $\frac{3}{4}$
    d) $\frac{1}{2}$

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3. Squares and Square Roots

11. What is the square of 13?
    a) 159
    b) 169
    c) 179
    d) 189

12. $\sqrt{144} = ?$
    a) 10
    b) 11
    c) 12
    d) 13

13. Which number is a perfect square?
    a) 50
    b) 64
    c) 75
    d) 90

14. The square root of a perfect square is always:
    a) Rational
    b) Irrational
    c) Negative
    d) None

15. Find the square of 25.
    a) 525
    b) 625
    c) 725
    d) 825

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4. Cubes and Cube Roots

16. Cube of 2 is:
    a) 4
    b) 6
    c) 8
    d) 10

17. Cube root of 64 is:
    a) 2
    b) 4
    c) 6
    d) 8

18. Which number is a perfect cube?
    a) 125
    b) 200
    c) 300
    d) 400

19. Cube of -3 is:
    a) -27
    b) 27
    c) -9
    d) 9

20. Cube root of 1000 is:
    a) 1
    b) 10
    c) 100
    d) 1000

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5. Algebraic Expressions

21. Which is a monomial?
    a) $3x + 2$
    b) $2xy - 5$
    c) $7x$
    d) $x^2 + 3x + 4$

22. The product of $a \times a \times a$ is:
    a) $a^2$
    b) $3a$
    c) $a^3$
    d) $a$

23. Simplify: $2x + 3x$
    a) $5x^2$
    b) $6x$
    c) $5x$
    d) $2x^3$

24. The degree of the expression $5x^2y$ is:
    a) 1
    b) 2
    c) 3
    d) 0

25. Which of the following is a binomial?
    a) $x$
    b) $x + 2$
    c) $x^2 + 3x + 4$
    d) $7xy$

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(More questions coming up...)

Would you like me to continue with the remaining 50 MCQs categorized into:

• Mensuration

• Data Handling

• Exponents & Powers

• Comparing Quantities

• Geometry (Polygons, Circles, etc.)

• Practical Geometry

• Introduction to Graphs

• Playing with Numbers?

Let me know which topics you'd like next, or if you'd like the full downloadable PDF format.

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Great! Here's the continuation of the “Class 8 Mathematics Most Repeated 75 MCQs”—now covering more chapters with exam-focused practice. These are structured by topic and include common patterns from school exams and Olympiads.

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🧮 Class 8 Mathematics Most Repeated 75 MCQs (Continued)

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6. Exponents and Powers

26. $2^3 =$
    a) 6
    b) 8
    c) 9
    d) 12

27. $10^0 =$
    a) 0
    b) 1
    c) 10
    d) Undefined

28. $3^{-2} =$
    a) 9
    b) $\frac{1}{9}$
    c) $-9$
    d) $\frac{1}{6}$

29. The value of $(2^3)^2$ is:
    a) 64
    b) 36
    c) 16
    d) 128

30. Which law is used in $a^m \times a^n = a^{m+n}$?
    a) Product law
    b) Power law
    c) Division law
    d) Base law

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7. Comparing Quantities

31. The ratio of 2:3 is equal to:
    a) $\frac{2}{3}$
    b) $\frac{3}{2}$
    c) $\frac{5}{2}$
    d) $\frac{3}{5}$

32. The percentage of 25 out of 100 is:
    a) 10%
    b) 15%
    c) 25%
    d) 75%

33. Simple interest on ₹1000 at 10% per annum for 2 years is:
    a) ₹100
    b) ₹150
    c) ₹200
    d) ₹250

34. If a shirt is marked ₹600 and is sold for ₹480, find the discount percentage.
    a) 20%
    b) 15%
    c) 25%
    d) 10%

35. Profit is calculated as:
    a) SP – CP
    b) CP – SP
    c) SP + CP
    d) CP × SP

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8. Geometry: Understanding Shapes

36. A polygon with 6 sides is called:
    a) Pentagon
    b) Hexagon
    c) Octagon
    d) Heptagon

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

38. Each angle of a regular hexagon is:
    a) 60°
    b) 90°
    c) 120°
    d) 140°

39. A triangle with all three unequal sides is:
    a) Equilateral
    b) Isosceles
    c) Scalene
    d) Right-angled

40. In a rectangle, the opposite sides are:
    a) Unequal
    b) Equal
    c) Parallel
    d) Both b and c

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9. Mensuration

41. Area of square =
    a) side + side
    b) side × side
    c) 2 × side
    d) 4 × side

42. Perimeter of rectangle =
    a) $2(l + b)$
    b) $l \times b$
    c) $l + b$
    d) $2lb$

43. Volume of cube =
    a) $6a^2$
    b) $a^3$
    c) $3a^2$
    d) $a^2$

44. Volume of cuboid =
    a) $l + b + h$
    b) $l \times b \times h$
    c) $2(l + b)$
    d) $l \times h$

45. Area of triangle =
    a) $b \times h$
    b) $\frac{1}{2} \times b \times h$
    c) $l \times b$
    d) $\pi r^2$

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10. Data Handling

46. The number of times a data value occurs is called:
    a) Mode
    b) Mean
    c) Frequency
    d) Range

47. The average of 10, 20, 30 is:
    a) 15
    b) 20
    c) 25
    d) 30

48. Most frequently occurring number is called:
    a) Median
    b) Mode
    c) Mean
    d) Range

49. Range =
    a) Highest – Lowest
    b) Mean
    c) Mode
    d) Frequency

50. Bar graphs represent:
    a) Algebra
    b) Geometry
    c) Data
    d) Volume

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11. Introduction to Graphs

51. X-axis is:
    a) Horizontal
    b) Vertical
    c) Diagonal
    d) None

52. Origin is the point where:
    a) x = y = 0
    b) x = y = 1
    c) x = y = 10
    d) x = y = -1

53. Coordinates are written as:
    a) (x + y)
    b) (x, y)
    c) (x – y)
    d) xy

54. The graph of a linear equation is a:
    a) Curve
    b) Circle
    c) Straight line
    d) Dot

55. Y-axis is:
    a) Horizontal
    b) Vertical
    c) Curved
    d) Diagonal

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12. Practical Geometry

56. A triangle can be drawn if:
    a) Sum of any two sides > third side
    b) All angles are equal
    c) One side is zero
    d) Angles add to 100°

57. In construction, tools used include:
    a) Compass
    b) Ruler
    c) Protractor
    d) All of the above

58. A triangle with one 90° angle is:
    a) Scalene
    b) Isosceles
    c) Right-angled
    d) Equilateral

59. For an angle of 60°, we use:
    a) Ruler
    b) Protractor
    c) Compass
    d) Divider

60. In geometry, a ray has:
    a) One endpoint
    b) Two endpoints
    c) No endpoint
    d) Infinite points

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13. Playing with Numbers

61. The HCF of 18 and 24 is:
    a) 2
    b) 3
    c) 6
    d) 12

62. The LCM of 4 and 5 is:
    a) 10
    b) 15
    c) 20
    d) 25

63. Which of the following is divisible by 3?
    a) 124
    b) 222
    c) 301
    d) 401

64. Sum of digits rule is used to check divisibility by:
    a) 2
    b) 3
    c) 5
    d) 10

65. A number divisible by both 2 and 5 is divisible by:
    a) 10
    b) 20
    c) 4
    d) 25

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14. More Algebra & Patterns

66. Find the value of $a^2 + b^2$ when $a = 2, b = 3$:
    a) 12
    b) 13
    c) 14
    d) 15

67. If $a = 4$, then $2a + 3 =$
    a) 11
    b) 10
    c) 9
    d) 8

68. Algebraic identity: $(a + b)^2 =$
    a) $a^2 + b^2$
    b) $a^2 + 2ab + b^2$
    c) $2a + 2b$
    d) $a + b$^2

69. Patterns are helpful in:
    a) Arithmetic
    b) Algebra
    c) Both
    d) Geometry only

70. If $x = 5$, then $x^2 + 2x =$
    a) 25
    b) 30
    c) 35
    d) 40

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15. Final Mixed Practice

71. Which is greater: $\frac{2}{3}$ or $\frac{3}{4}$?
    a) $\frac{2}{3}$
    b) $\frac{3}{4}$
    c) Equal
    d) Cannot say

72. Convert 0.75 into fraction:
    a) $\frac{3}{4}$
    b) $\frac{2}{3}$
    c) $\frac{1}{2}$
    d) $\frac{1}{4}$

73. Which of the following is irrational?
    a) $\sqrt{2}$
    b) $\frac{3}{5}$
    c) 0.25
    d) 1.2

74. How many lines can pass through a point?
    a) 1
    b) 2
    c) Many
    d) Infinite

75. The perimeter of a circle is called:
    a) Area
    b) Diameter
    c) Circumference
    d) Radius

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