Maths GK Questions: A Quiz Guide with 100 Maths General Knowledge Questions

Published On: December 28, 2024

Mathematics is a fascinating subject that plays a vital role in our daily lives. From solving complex problems to calculating simple transactions, mathematical concepts are everywhere. This quiz-style article provides 100 general knowledge questions about mathematics, covering basic arithmetic, algebra, geometry, and famous mathematicians. It’s perfect for students, quiz enthusiasts, and learners who want to test their math knowledge.

Maths GK Questions Quiz

1. What is the value of π (Pi) up to two decimal places?
a) 3.12
b) 3.14
c) 3.16
d) 3.18
Answer: 3.14

2. What is the square root of 144?
a) 10
b) 12
c) 14
d) 16
Answer: 12

3. What is 15% of 200?
a) 20
b) 25
c) 30
d) 35
Answer: 30

4. Who is known as the “Father of Geometry”?
a) Pythagoras
b) Euclid
c) Archimedes
d) Aryabhata
Answer: Euclid

5. What is the sum of the angles in a triangle?
a) 90°
b) 120°
c) 180°
d) 360°
Answer: 180°

6. What is the perimeter of a square with a side length of 5 cm?
a) 10 cm
b) 15 cm
c) 20 cm
d) 25 cm
Answer: 20 cm

7. What is the value of 7³?
a) 343
b) 49
c) 21
d) 729
Answer: 343

8. What is the result of 0 ÷ 5?
a) 0
b) 1
c) Undefined
d) 5
Answer: 0

9. Who developed the theory of relativity, which involves mathematical concepts?
a) Albert Einstein
b) Isaac Newton
c) Galileo Galilei
d) Nikola Tesla
Answer: Albert Einstein

10. What is the least common multiple (LCM) of 4 and 6?
a) 12
b) 18
c) 24
d) 30
Answer: 12

11. How many sides does a hexagon have?
a) 5
b) 6
c) 7
d) 8
Answer: 6

12. What is the formula for the area of a circle?
a) πr²
b) 2πr
c) πd
d) r²
Answer: πr²

13. What is the next prime number after 7?
a) 9
b) 10
c) 11
d) 13
Answer: 11

14. What is the value of √121?
a) 10
b) 11
c) 12
d) 13
Answer: 11

15. What is 1,000,000 written in scientific notation?
a) 10⁵
b) 10⁶
c) 10⁷
d) 10⁸
Answer: 10⁶

16. What is the largest two-digit prime number?
a) 97
b) 89
c) 83
d) 79
Answer: 97

17. What is the slope of a horizontal line?
a) 0
b) 1
c) Undefined
d) Infinity
Answer: 0

18. Who invented calculus?
a) Isaac Newton and Gottfried Wilhelm Leibniz
b) Albert Einstein
c) Pythagoras
d) Blaise Pascal
Answer: Isaac Newton and Gottfried Wilhelm Leibniz

19. What is the value of 5! (5 factorial)?
a) 60
b) 100
c) 120
d) 150
Answer: 120

20. What is the sum of the first 5 natural numbers?
a) 10
b) 12
c) 15
d) 18
Answer: 15

21. What is the formula for the Pythagorean Theorem?
a) a² + b² = c²
b) a² – b² = c²
c) a³ + b³ = c³
d) a² + b² = 2ab
Answer: a² + b² = c²

22. What is the measure of each angle in an equilateral triangle?
a) 45°
b) 60°
c) 90°
d) 120°
Answer: 60°

23. What is the cube root of 27?
a) 2
b) 3
c) 4
d) 5
Answer: 3

24. Which mathematician is known for his contributions to number theory?
a) Srinivasa Ramanujan
b) Euclid
c) Aryabhata
d) Blaise Pascal
Answer: Srinivasa Ramanujan

25. What is the result of 5 × 0?
a) 0
b) 1
c) 5
d) Undefined
Answer: 0

26. What is the formula for the circumference of a circle?
a) πr²
b) 2πr
c) r²
d) πd
Answer: 2πr

27. What is 2³ × 2² equal to?
a) 16
b) 32
c) 8
d) 4
Answer: 32

28. What is the median of the numbers 2, 5, 8, 10, 12?
a) 5
b) 8
c) 10
d) 12
Answer: 8

29. What is the value of sin(90°)?
a) 0
b) 1
c) -1
d) Undefined
Answer: 1

30. What is the smallest three-digit number?
a) 100
b) 101
c) 111
d) 999
Answer: 100

31. What is the square of 15?
a) 200
b) 215
c) 225
d) 240
Answer: 225

32. What is the greatest common divisor (GCD) of 36 and 48?
a) 6
b) 9
c) 12
d) 18
Answer: 12

33. What is the decimal value of 3/4?
a) 0.5
b) 0.75
c) 0.25
d) 1.25
Answer: 0.75

34. What is the result of 25²?
a) 525
b) 625
c) 725
d) 825
Answer: 625

35. What is the next number in the Fibonacci sequence: 0, 1, 1, 2, 3, 5, ___?
a) 6
b) 7
c) 8
d) 9
Answer: 8

36. What is the area of a triangle with a base of 10 cm and height of 5 cm?
a) 25 cm²
b) 50 cm²
c) 75 cm²
d) 100 cm²
Answer: 25 cm²

37. What is the sum of the interior angles of a pentagon?
a) 360°
b) 540°
c) 720°
d) 900°
Answer: 540°

38. What is the binary equivalent of the decimal number 10?
a) 1010
b) 1001
c) 1100
d) 1110
Answer: 1010

39. What is the probability of rolling a 6 on a standard six-sided die?
a) 1/6
b) 1/3
c) 1/2
d) 1/4
Answer: 1/6

40. What is 10% of 250?
a) 15
b) 20
c) 25
d) 30
Answer: 25

41. What is the volume of a cube with side length 4 cm?
a) 64 cm³
b) 32 cm³
c) 48 cm³
d) 16 cm³
Answer: 64 cm³

42. What is the decimal equivalent of 1/8?
a) 0.125
b) 0.25
c) 0.5
d) 0.75
Answer: 0.125

43. Which shape has only one line of symmetry?
a) Square
b) Circle
c) Isosceles Triangle
d) Equilateral Triangle
Answer: Isosceles Triangle

44. What is the formula for the volume of a cylinder?
a) πr²h
b) 2πrh
c) πr²
d) πr³
Answer: πr²h

45. Who is known as the “Prince of Mathematicians”?
a) Carl Friedrich Gauss
b) Archimedes
c) Blaise Pascal
d) Pythagoras
Answer: Carl Friedrich Gauss

46. What is the average of the numbers 4, 8, 12, 16?
a) 8
b) 10
c) 12
d) 14
Answer: 10

47. What is the next prime number after 19?
a) 20
b) 21
c) 23
d) 25
Answer: 23

48. What is the cube of 5?
a) 25
b) 75
c) 125
d) 150
Answer: 125

49. What is the least common multiple (LCM) of 5 and 10?
a) 5
b) 10
c) 15
d) 20
Answer: 10

50. What is the value of 2⁵?
a) 16
b) 32
c) 64
d) 128
Answer: 32

51. What is the sum of the first 10 natural numbers?
a) 45
b) 50
c) 55
d) 60
Answer: 55

52. What is the measure of each exterior angle of a regular hexagon?
a) 60°
b) 72°
c) 90°
d) 120°
Answer: 60°

53. What is the formula for the area of a rectangle?
a) Length × Breadth
b) Length × Height
c) 2 × (Length + Breadth)
d) Length × Length
Answer: Length × Breadth

54. What is the reciprocal of 4/5?
a) 5/4
b) 1/4
c) 4/1
d) 5/1
Answer: 5/4

55. What is the mode of the numbers 3, 5, 7, 5, 8, 5?
a) 3
b) 5
c) 7
d) 8
Answer: 5

56. What is the cube root of 64?
a) 2
b) 3
c) 4
d) 5
Answer: 4

57. What is the result of 2 × (3 + 4)?
a) 14
b) 12
c) 10
d) 8
Answer: 14

58. What is the sum of the angles in a quadrilateral?
a) 180°
b) 270°
c) 360°
d) 450°
Answer: 360°

59. What is the perimeter of a triangle with sides 5 cm, 6 cm, and 7 cm?
a) 15 cm
b) 18 cm
c) 20 cm
d) 22 cm
Answer: 18 cm

60. What is the decimal value of 1/5?
a) 0.2
b) 0.25
c) 0.5
d) 0.75
Answer: 0.2

61. What is the value of cos(0°)?
a) 0
b) 1
c) -1
d) Undefined
Answer: 1

62. What is the smallest prime number?
a) 1
b) 2
c) 3
d) 5
Answer: 2

63. What is the probability of flipping a coin and getting heads?
a) 1/4
b) 1/2
c) 1/3
d) 1/6
Answer: 1/2

64. What is the sum of the digits of the number 12345?
a) 12
b) 15
c) 20
d) 25
Answer: 15

65. What is the greatest common divisor (GCD) of 20 and 28?
a) 2
b) 4
c) 6
d) 8
Answer: 4

66. What is the area of a square with a diagonal of 10 cm?
a) 50 cm²
b) 100 cm²
c) 25 cm²
d) 75 cm²
Answer: 50 cm²

67. What is the result of 2⁴ ÷ 2²?
a) 2
b) 4
c) 8
d) 16
Answer: 4

68. What is the sum of the first three odd numbers?
a) 3
b) 6
c) 9
d) 12
Answer: 9

69. What is the formula for the surface area of a sphere?
a) 4πr²
b) 2πr²
c) 3πr²
d) πr²
Answer: 4πr²

70. What is the decimal value of 1/3?
a) 0.25
b) 0.33
c) 0.5
d) 0.75
Answer: 0.33

71. What is the next number in the series: 2, 4, 8, 16, ___?
a) 20
b) 24
c) 32
d) 36
Answer: 32

72. What is the area of a rectangle with a length of 12 cm and a width of 8 cm?
a) 80 cm²
b) 90 cm²
c) 96 cm²
d) 100 cm²
Answer: 96 cm²

73. What is the cube root of 125?
a) 4
b) 5
c) 6
d) 7
Answer: 5

74. What is the value of 4! (4 factorial)?
a) 16
b) 20
c) 24
d) 28
Answer: 24

75. What is the result of 10 ÷ 0?
a) 0
b) Undefined
c) 1
d) 10
Answer: Undefined

76. What is the sum of the exterior angles of a polygon?
a) 180°
b) 360°
c) 540°
d) 720°
Answer: 360°

77. What is the formula for the area of a parallelogram?
a) Base × Height
b) Length × Breadth
c) πr²
d) 1/2 × Base × Height
Answer: Base × Height

78. What is the value of 2 × (2 + 3)?
a) 8
b) 10
c) 12
d) 14
Answer: 10

79. What is the value of tan(45°)?
a) 0
b) 1
c) -1
d) Undefined
Answer: 1

80. What is the largest two-digit even number?
a) 98
b) 99
c) 96
d) 94
Answer: 98

81. What is the smallest odd prime number?
a) 1
b) 2
c) 3
d) 5
Answer: 3

82. What is the formula for the volume of a cone?
a) 1/3 × πr²h
b) πr²h
c) 1/2 × πr²h
d) 2πr²h
Answer: 1/3 × πr²h

83. What is the square root of 81?
a) 8
b) 9
c) 10
d) 12
Answer: 9

84. What is the result of 2² × 3²?
a) 12
b) 18
c) 36
d) 64
Answer: 36

85. What is the remainder when 25 is divided by 4?
a) 0
b) 1
c) 2
d) 3
Answer: 1

86. What is the sum of the angles in a pentagon?
a) 360°
b) 450°
c) 540°
d) 600°
Answer: 540°

87. What is the probability of getting a tail when flipping a fair coin?
a) 1/4
b) 1/2
c) 1/3
d) 1/6
Answer: 1/2

88. What is the decimal equivalent of 3/8?
a) 0.25
b) 0.375
c) 0.5
d) 0.75
Answer: 0.375

89. What is the cube of 4?
a) 16
b) 32
c) 64
d) 128
Answer: 64

90. What is the next number in the series: 5, 10, 20, 40, ___?
a) 60
b) 70
c) 80
d) 100
Answer: 80

91. What is the formula for the area of a trapezium?
a) 1/2 × (Sum of parallel sides) × Height
b) (Sum of parallel sides) × Height
c) Length × Breadth
d) πr²
Answer: 1/2 × (Sum of parallel sides) × Height

92. What is the largest three-digit number?
a) 999
b) 998
c) 900
d) 1000
Answer: 999

93. What is the sum of the first five even numbers?
a) 20
b) 30
c) 40
d) 50
Answer: 30

94. What is the square of 20?
a) 200
b) 300
c) 400
d) 500
Answer: 400

95. What is the least common multiple (LCM) of 8 and 12?
a) 16
b) 20
c) 24
d) 32
Answer: 24

96. What is the formula for the perimeter of a rectangle?
a) 2 × (Length + Breadth)
b) Length × Breadth
c) Length + Breadth
d) Length² + Breadth²
Answer: 2 × (Length + Breadth)

97. What is the value of 1/0?
a) 0
b) Undefined
c) 1
d) Infinity
Answer: Undefined

98. What is the binary equivalent of the decimal number 15?
a) 1010
b) 1111
c) 1101
d) 1001
Answer: 1111

99. What is the sum of the angles in a hexagon?
a) 360°
b) 540°
c) 720°
d) 900°
Answer: 720°

100. What is the value of log₁₀(100)?
a) 1
b) 2
c) 10
d) 100
Answer: 2