Aims and Objectives of Practising These Mathematics Questions for 2026 JAMB

Before diving into the questions, here are the key reasons why practicing these CBT-style questions is important:

✅ 1. Helps You Understand JAMB Question Pattern

These questions are designed in the exact style JAMB sets—objective, calculation-focused, and time-sensitive.

✅ 2. Improves Speed & Accuracy

JAMB CBT is timed. Practicing many questions trains you to think fast and solve accurately.

✅ 3. Identifies Weak Areas

By solving diverse topics—algebra, geometry, trigonometry, statistics—you discover where you need improvement.

✅ 4. Boosts Confidence

When you can consistently answer these questions correctly, you enter the exam hall with confidence.

✅ 5. Enhances Problem-Solving Skills

These questions test logic, reasoning, and understanding—not memorization.

✅ 6. Predicts Likely Exam Questions

Most JAMB questions come from repeated patterns. Practicing widely increases your chances of seeing familiar questions.

⭐ 100 JAMB Mathematics CBT Objective Questions and Answers

(Well-arranged and student-friendly)

SECTION A — NUMBER & NUMERATION

1. Evaluate: 0.0045 ÷ 0.09

A. 0.005

B. 0.05

C. 0.5

D. 5

Answer: C

2. Express 0.027 in standard form

A. 2.7 × 10⁻¹

B. 2.7 × 10⁻²

C. 2.7 × 10⁻³

D. 2.7 × 10¹

Answer: C

3. Find the LCM of 12, 18, and 30

A. 90

B. 180

C. 60

D. 120

Answer: A

4. Convert 8/3 to a mixed fraction

A. 2⅓

B. 2⅔

C. 3⅓

D. 3½

Answer: A

5. Express 132 in base 2

A. 10000100

B. 10000110

C. 10000101

D. 10000111

Answer: B

SECTION B — ALGEBRA

6. Simplify: (2x – 3) – (x + 5)

A. x – 8

B. x – 2

C. x + 2

D. 3x – 2

Answer: A

7. Factorize: x² – 5x + 6

A. (x – 3)(x – 2)

B. (x + 3)(x – 2)

C. (x + 3)(x + 2)

D. (x – 6)(x + 1)

Answer: A

8. Solve: 3x + 7 = 22

A. 3

B. 4

C. 5

D. 6

Answer: B

9. If y varies directly as x and y = 15 when x = 3, find y when x = 8

A. 30

B. 35

C. 40

D. 45

Answer: C

10. Simplify: 4x/3 ÷ 2/9

A. 6x

B. 12x

C. 18x

D. 9x

Answer: A

SECTION C — MENSURATION & GEOMETRY

11. Find the area of a triangle with base 14 cm and height 8 cm

A. 28 cm²

B. 56 cm²

C. 72 cm²

D. 112 cm²

Answer: B

12. The sum of angles in a quadrilateral is

A. 180°

B. 270°

C. 360°

D. 540°

Answer: C

13. A circle has radius 7 cm. Find its circumference (π = 22/7)

A. 22 cm

B. 44 cm

C. 57 cm

D. 66 cm

Answer: D

14. Find the volume of a cube with side 5 cm

A. 25 cm³

B. 75 cm³

C. 125 cm³

D. 150 cm³

Answer: C

15. If two complementary angles differ by 24°, find the smaller angle

A. 33°

B. 36°

C. 45°

D. 48°

Answer: A

SECTION D — TRIGONOMETRY

16. Evaluate: sin 30°

A. ½

B. √2/2

C. √3/2

D. 1

Answer: A

17. tan 45° = ?

A. 0

B. 1

C. √3

D. 2

Answer: B

18. If cos θ = 4/5, find sin θ

A. 3/4

B. 3/5

C. √21/5

D. √9/5

Answer: B

19. A ladder makes an angle of 60° with the ground. If it is 10 m long, find the height it reaches

A. 5 m

B. 6 m

C. 7.5 m

D. 8.7 m

Answer: D

20. Convert 2π radians to degrees

A. 90°

B. 120°

C. 180°

D. 360°

Answer: D

SECTION E — STATISTICS

21. Find the median of 2, 4, 6, 8, 10

A. 4

B. 6

C. 8

D. 10

Answer: B

22. Mean of 5, 7, 8, 10

A. 6.5

B. 7

C. 7.5

D. 8

Answer: C

23. Mode of 3, 4, 4, 5, 6, 6, 6, 7

A. 4

B. 5

C. 6

D. 7

Answer: C

24. Range of 15, 22, 8, 10

A. 14

B. 12

C. 17

D. 7

Answer: C

25. Which is a measure of dispersion?

A. Mean

B. Mode

C. Range

D. Median

Answer: C

SECTION F — FURTHER ALGEBRA, FUNCTIONS & GRAPHS

26. If f(x) = 2x + 5, find f(4)

A. 10

B. 13

C. 18

D. 21

Answer: C

27. Solve: x² = 121

A. 11

B. –11

C. ±11

D. 0

Answer: C

28. Expand: (x – 3)²

A. x² – 6x + 9

B. x² + 6x + 9

C. x² – 9x + 3

D. x² + 3x – 6

Answer: A

29. Solve: x² – 4x = 0

A. x = 4

B. x = –4

C. x = 0 or 4

D. x = 2

Answer: C

30. Simplify: (x³ ÷ x²)

A. x

B. x²

C. x³

D. 1

Answer: A

SECTION G — GEOMETRY & MENSURATION (31–45)

31. The interior angles of a triangle sum up to

A. 90°

B. 180°

C. 270°

D. 360°

Answer: B

32. Find the area of a circle with radius 3 cm (π = 22/7)

A. 28.3 cm²

B. 30.4 cm²

C. 33.0 cm²

D. 44.0 cm²

Answer: A

33. The diagonal of a rectangle is 10 cm and one side is 6 cm. Find the other side.

A. 4 cm

B. 6 cm

C. 8 cm

D. 12 cm

Answer: C

34. Find the perimeter of a square of side 9 cm

A. 18 cm

B. 27 cm

C. 36 cm

D. 45 cm

Answer: C

35. A regular hexagon has how many sides?

A. 5

B. 6

C. 7

D. 8

Answer: B

36. Convert 150° to radians

A. 3π/4

B. 4π/5

C. 5π/6

D. π/2

Answer: C

37. If the ratio of the sides of a triangle is 3 : 4 : 5, which type of triangle is it?

A. Equilateral

B. Isosceles

C. Scalene

D. Right-angled

Answer: D

38. The volume of a cylinder is πr²h. If r = 2 and h = 5, find the volume.

A. 10π

B. 15π

C. 20π

D. 40π

Answer: C

39. A chord is a line that connects

A. the diameter

B. two points on a circle

C. the radius

D. the tangent

Answer: B

40. The exterior angle of a polygon is 30°. Find the number of sides.

A. 10

B. 12

C. 15

D. 20

Answer: C

41. A rectangle has perimeter 30 cm and length 8 cm. Find the width.

A. 7 cm

B. 6 cm

C. 5 cm

D. 4 cm

Answer: C

42. A right triangle has hypotenuse 13 and one side 5. Find the other side.

A. 8

B. 10

C. 12

D. 15

Answer: A

43. Area of a trapezium = ½(a + b)h. If a = 4, b = 6, h = 5, find the area.

A. 20

B. 22

C. 25

D. 30

Answer: D

44. If the circumference of a circle is 44 cm (π = 22/7), find the diameter.

A. 7 cm

B. 10 cm

C. 14 cm

D. 21 cm

Answer: C

45. The sum of interior angles of a pentagon is

A. 540°

B. 720°

C. 360°

D. 480°

Answer: A

SECTION H — ALGEBRA & FUNCTIONS (46–60)

46. Solve: 2x – 5 = 3x + 1

A. –6

B. –5

C. –4

D. –1

Answer: A

47. Factorize: x² – 9

A. (x – 3)(x + 3)

B. (x – 9)(x + 1)

C. (x – 1)(x + 9)

D. (x – 3)²

Answer: A

48. Simplify: (3x + 2) – (x – 5)

A. 4x – 3

B. 2x + 7

C. 3x + 7

D. 2x – 3

Answer: B

49. Solve: x² – 16 = 0

A. 4 only

B. –4 only

C. ±4

D. 0

Answer: C

50. If f(x) = x² – 4, find f(3).

A. 5

B. 6

C. 7

D. 9

Answer: A

51. Expand: (x + 5)(x – 2)

A. x² + 3x – 10

B. x² – 3x – 10

C. x² – 3x + 10

D. x² + 3x + 10

Answer: A

52. Simplify: x³ ÷ x

A. x

B. x²

C. x³

D. 1

Answer: B

53. If y varies inversely as x and y = 4 when x = 6, find y when x = 3

A. 4

B. 6

C. 8

D. 12

Answer: C

54. Solve: 5x – 3 = 2x + 18

A. 3

B. 5

C. 7

D. 9

Answer: C

55. Factorize: 4x² – 1

A. (2x – 1)(2x + 1)

B. (x – 1)(4x + 1)

C. (x – 2)(x + 2)

D. (2x + 1)²

Answer: A

56. Solve: 3(x – 2) = 12

A. 2

B. 4

C. 6

D. 8

Answer: B

57. Simplify: (x²y)³

A. x²y³

B. x⁶y³

C. x³y²

D. x⁶y

Answer: B

58. Solve: 2(x + 5) = 3x – 4

A. 5

B. 6

C. 9

D. 14

Answer: B

59. Expand: (2x – 1)²

A. 4x² – 2x + 1

B. 4x² – 4x + 1

C. 4x² + 2x + 1

D. 4x² – 1

Answer: A

60. If f(x) = 5 – 3x, find f(–1)

A. 8

B. 5

C. 3

D. 2

Answer: A

SECTION I — STATISTICS & PROBABILITY (61–75)

61. Find the probability of getting a prime number from 1–10

A. 2/10

B. 4/10

C. 5/10

D. 6/10

Answer: C

62. What is the modal class of this distribution?

A. 10–20

B. 20–30

C. 30–40

D. None

Answer: B

63. Find the median of: 4, 6, 9, 10, 15

A. 6

B. 9

C. 10

D. 15

Answer: B

64. Mean of 2, 3, 5, 10

A. 4

B. 4.5

C. 5

D. 5.5

Answer: B

65. Range of 12, 15, 9, 22

A. 9

B. 12

C. 13

D. 18

Answer: C

66. Probability of tossing two heads from two tosses of a coin

A. 1/2

B. 1/4

C. 1/3

D. 1/8

Answer: B

67. Find the mode: 5, 7, 7, 8, 9

A. 5

B. 7

C. 8

D. 9

Answer: B

68. If P(A) = 0.3 and P(B) = 0.5, find P(A and B) for independent events

A. 0.8

B. 0.5

C. 0.3

D. 0.15

Answer: D

69. A die is rolled. Probability of getting an odd number is

A. 1/2

B. 1/3

C. 1/6

D. 2/3

Answer: A

70. Calculate the mean of 10, 12, 14, 16, 18

A. 12

B. 14

C. 16

D. 18

Answer: B

71. If the probability of event A is 0.7, find probability of not A

A. 0.1

B. 0.2

C. 0.3

D. 0.7

Answer: C

72. In a class of 40 students, 15 are boys. Probability of selecting a girl is

A. 15/40

B. 25/40

C. 40/25

D. 40/15

Answer: B

73. Find the median of 1, 3, 3, 7, 10

A. 3

B. 7

C. 10

D. 5

Answer: A

74. The measure of central tendency that is most frequently occurring is

A. Mean

B. Median

C. Mode

D. Range

Answer: C

75. Probability of picking a vowel from “MATHEMATICS”

A. 3/11

B. 4/11

C. 5/11

D. 6/11

Answer: C

SECTION J — FURTHER PRACTICE (76–100)

76. Simplify: 3/4 + 1/6

A. 5/6

B. 11/12

C. 7/8

D. 9/12

Answer: B

77. Find x: 4 : x = 6 : 9

A. 4

B. 5

C. 6

D. 8

Answer: C

78. Express 64 as a power of 2

A. 2⁵

B. 2⁶

C. 2⁷

D. 2⁸

Answer: B

79. Convert 0.125 to a fraction

A. 1/4

B. 1/5

C. 1/6

D. 1/8

Answer: D

80. 25% of 200 is

A. 25

B. 40

C. 50

D. 75

Answer: C

81. Evaluate: √144

A. 10

B. 11

C. 12

D. 13

Answer: C

82. Simplify: 8 ÷ 2(2 + 2)

A. 1

B. 8

C. 16

D. 32

Answer: B

83. Convert 4.2 to a percentage

A. 42%

B. 420%

C. 4.2%

D. 0.42%

Answer: B

84. Simplify: log₁₀100

A. 1

B. 2

C. 3

D. 4

Answer: B

85. If a = 3 and b = 4, find √(a² + b²)

A. 3

B. 4

C. 5

D. 7

Answer: C

86. The reciprocal of 0.25 is

A. 2

B. 3

C. 4

D. 5

Answer: C

87. Simplify: 2/5 × 3/7

A. 6/12

B. 6/35

C. 10/21

D. 7/12

Answer: B

88. Convert 2.75 to a fraction

A. 11/4

B. 9/4

C. 7/4

D. 13/4

Answer: A

89. Find the simple interest on ₦20,000 at 5% for 2 years

A. ₦1,000

B. ₦2,000

C. ₦3,000

D. ₦5,000

Answer: B

90. Compound interest is

A. Interest on interest

B. Interest on principal only

C. Bank charges

D. Loan

Answer: A

91. If distance = 120 km and time = 3 hours, find speed

A. 20 km/h

B. 30 km/h

C. 40 km/h

D. 60 km/h

Answer: D

92. Convert 3.5 hours to minutes

A. 150

B. 180

C. 200

D. 210

Answer: D

93. A car travels 60 km in 1.5 hours. Find speed

A. 30 km/h

B. 40 km/h

C. 50 km/h

D. 60 km/h

Answer: A

94. Evaluate: 5!

A. 20

B. 60

C. 100

D. 120

Answer: D

95. Find HCF of 18 and 24

A. 2

B. 3

C. 6

D. 12

Answer: C

96. Simplify: (x⁴ ÷ x²)

A. x

B. x²

C. x³

D. x⁴

Answer: B

97. Solve: 7x = 84

A. 10

B. 11

C. 12

D. 14

Answer: C

98. If y = 2x² and x = 3, find y

A. 6

B. 12

C. 18

D. 36

Answer: D

99. Evaluate: 3³ × 3²

A. 3⁵

B. 3⁶

C. 3⁷

D. 3⁸

Answer: A

100. A triangle with all equal sides is

A. isosceles

B. scalene

C. equilateral

D. right-angled

Answer: C

⭐ JAMB MATHEMATICS CBT – 100 NEW QUESTIONS & ANSWERS (SET 2)

SECTION A — NUMBER & NUMERATION (1–20)

1. Evaluate: 0.36 ÷ 0.09

A. 2

B. 3

C. 4

D. 5

Answer: C

2. Convert 7/8 to a decimal

A. 0.65

B. 0.75

C. 0.85

D. 0.875

Answer: D

3. Find LCM of 8, 12, and 20

A. 40

B. 60

C. 120

D. 240

Answer: C

4. Write 0.00052 in standard form

A. 5.2 × 10⁻³

B. 5.2 × 10⁻⁴

C. 5.2 × 10⁻⁵

D. 5.2 × 10⁻⁶

Answer: C

5. Convert 247₁₀ to base 2

A. 11110111

B. 11110110

C. 11110011

D. 11010111

Answer: A

6. What is the HCF of 48 and 60?

A. 6

B. 12

C. 15

D. 24

Answer: B

7. 15% of 320 is

A. 32

B. 45

C. 48

D. 60

Answer: C

8. Write 125 as a power of 5

A. 5²

B. 5³

C. 5⁴

D. 5⁵

Answer: B

9. The reciprocal of 0.2 is

A. 2

B. 5

C. 10

D. 12

Answer: B

10. Round 456.789 to 1 d.p

A. 456.7

B. 456.8

C. 456.79

D. 456.80

Answer: B

11. Evaluate: √49

A. 6

B. 7

C. 8

D. 9

Answer: B

12. Evaluate 2⁵ × 2³

A. 2⁵

B. 2⁶

C. 2⁷

D. 2⁸

Answer: C

13. Convert 3/20 to percentage

A. 10%

B. 12%

C. 15%

D. 18%

Answer: C

14. Find 0.75 × 0.8

A. 0.45

B. 0.55

C. 0.60

D. 0.75

Answer: C

15. Express 3.125 as a fraction

A. 25/8

B. 21/8

C. 19/8

D. 15/8

Answer: A

16. Evaluate 6!

A. 360

B. 540

C. 720

D. 840

Answer: C

17. Write 0.48 as a fraction in simplest form

A. 6/25

B. 12/25

C. 24/50

D. 48/100

Answer: B

18. 30% of x = 45. Find x

A. 100

B. 125

C. 135

D. 150

Answer: D

19. Evaluate: 1.5 ÷ 0.3

A. 3

B. 4

C. 5

D. 6

Answer: C

20. Convert 0.008 to percentage

A. 0.8%

B. 8%

C. 80%

D. 0.08%

Answer: A

SECTION B — ALGEBRA (21–45)

21. Solve: 3x – 7 = 20

A. 7

B. 8

C. 9

D. 10

Answer: C

22. Factorize: x² – 7x + 12

A. (x – 4)(x – 3)

B. (x – 6)(x – 2)

C. (x – 5)(x – 2)

D. (x – 12)(x – 1)

Answer: A

23. Expand: (x + 4)(x – 1)

A. x² + 3x – 4

B. x² – 3x – 4

C. x² + 5x – 4

D. x² – x – 4

Answer: A

24. Simplify: 2x/3 + x/6

A. x/2

B. x

C. 3x/4

D. 5x/6

Answer: D

25. If y varies directly as x and y = 20 when x = 5, find y when x = 8

A. 24

B. 30

C. 32

D. 40

Answer: C

26. Solve: x² – 9 = 0

A. ±1

B. ±2

C. ±3

D. ±4

Answer: C

27. Factorize: 2x² + 5x – 3

A. (2x – 1)(x + 3)

B. (2x + 1)(x – 3)

C. (2x + 3)(x – 1)

D. (x + 3)(x – 1)

Answer: A

28. Solve: 4x + 3 = 19

A. 3

B. 4

C. 5

D. 6

Answer: C

29. Simplify: (x³ × x²)

A. x³

B. x⁵

C. x⁶

D. x⁷

Answer: B

30. Expand: (3x – 2)²

A. 9x² – 12x + 4

B. 9x² – 4

C. 9x² – 6x + 4

D. 9x² – 12x – 4

Answer: A

31. Solve: x/3 – 2 = 5

A. 15

B. 17

C. 18

D. 21

Answer: C

32. Simplify: (2x²y)³

A. 6x⁶y³

B. 8x⁶y³

C. x⁶y³

D. 8x²y³

Answer: B

33. Solve: 2x – 3 = 3x + 1

A. –4

B. –3

C. –1

D. 4

Answer: A

34. If f(x) = x² – 3x + 2, find f(2)

A. 0

B. 1

C. 2

D. 4

Answer: A

35. Simplify: |–12|

A. –12

B. 12

C. –6

D. 6

Answer: B

36. Solve: 5/x = 2

A. 2.5

B. 3

C. 4

D. 5

Answer: A

37. Factorize: a² – b²

A. (a – b)(a + b)

B. (a – b)²

C. (a + b)²

D. (a – b)(a – b)

Answer: A

38. Expand: (x – 5)(x – 2)

A. x² – 7x + 10

B. x² – 5x + 2

C. x² – 3x – 10

D. x² + 7x – 10

Answer: A

39. Solve: 4(3 – x) = 8

A. 1

B. 2

C. 3

D. 4

Answer: A

40. Solve: x² – x – 6 = 0

A. x = 2 or –3

B. x = 3 or –2

C. x = 6 or –1

D. x = 1 or –6

Answer: A

41. Simplify: x⁴ ÷ x

A. x

B. x²

C. x³

D. x⁴

Answer: C

42. Solve: 3(x – 1) = 2x + 4

A. –7

B. –4

C. 5

D. 7

Answer: B

43. If y varies inversely as x: y = k/x. If y = 2 when x = 6, find k

A. 12

B. 10

C. 8

D. 6

Answer: A

44. Expand: (2x + 3)(x – 4)

A. 2x² – 5x – 12

B. 2x² – x – 12

C. 2x² + 5x – 12

D. 2x² – 8x + 3

Answer: A

45. If f(x) = 5x – 7, find f(4)

A. 13

B. 12

C. 10

D. 9

Answer: A

SECTION C — GEOMETRY & MENSURATION (46–70)

46. Area of triangle = ½bh. If b = 10, h = 8

A. 20

B. 30

C. 36

D. 40

Answer: D

47. Sum of angles of a quadrilateral

A. 90°

B. 180°

C. 270°

D. 360°

Answer: D

48. Find circumference of circle with radius 14 (π = 22/7)

A. 22

B. 44

C. 88

D. 96

Answer: C

49. A cube has volume 64 cm³. Find its side

A. 2

B. 4

C. 6

D. 8

Answer: B

50. Complementary angles sum to

A. 90°

B. 180°

C. 270°

D. 360°

Answer: A

51. A ladder 5m long reaches height 4m. Base distance?

A. 1

B. 2

C. 3

D. 4

Answer: B

52. Area of square with diagonal 10

A. 25

B. 50

C. 75

D. 100

Answer: B

53. A cone radius = 3, height = 4. Volume = ?

A. 12π

B. 16π

C. 20π

D. 25π

Answer: A

54. The sum of interior angles of a hexagon

A. 360°

B. 540°

C. 720°

D. 900°

Answer: C

55. Find area of a sector with radius 7 and angle 60° (π = 22/7)

A. 22

B. 44

C. 60

D. 77

Answer: A

56. Perimeter of a rectangle = 2(l + w). If l = 12, w = 5

A. 24

B. 30

C. 34

D. 50

Answer: C

57. Volume of a cylinder radius 7, height 3

A. 100π

B. 120π

C. 147π

D. 200π

Answer: C

58. A triangle with sides 6, 8, 10 is

A. acute

B. obtuse

C. right-angled

D. equilateral

Answer: C

59. Convert 120° to radians

A. π/6

B. π/3

C. 2π/3

D. 4π/3

Answer: C

60. The radius of a circle is half its diameter. True or false?

A. True

B. False

Answer: A

61. A rectangle has length twice its width. If perimeter is 30, width is

A. 5

B. 6

C. 7

D. 8

Answer: A

62. A rhombus has

A. one equal side

B. two equal sides

C. all equal sides

D. no equal sides

Answer: C

63. Area of parallelogram = base × height

A. True

B. False

Answer: A

64. The diagonal of a square of side 10 is

A. 10

B. 12

C. 14.14

D. 20

Answer: C

65. Convert 270° to radians

A. π/2

B. π

C. 3π/2

D. 2π

Answer: C

66. A polygon with 7 sides is

A. hexagon

B. heptagon

C. octagon

D. nonagon

Answer: B

67. Volume of cube =

A. 3a

B. a²

C. a³

D. 2a

Answer: C

68. 1 radian ≈

A. 45°

B. 57°

C. 90°

D. 180°

Answer: B

69. Area of circle = πr². If r = 9

A. 9π

B. 18π

C. 27π

D. 81π

Answer: D

70. A right angle measures

A. 45°

B. 60°

C. 90°

D. 120°

Answer: C

SECTION D — STATISTICS & PROBABILITY (71–85)

71. Mean of 5, 7, 8, 10

A. 7

B. 7.5

C. 8

D. 8.5

Answer: B

72. Median of 1, 3, 3, 7, 8

A. 3

B. 5

C. 7

D. 8

Answer: A

73. Mode of 2, 4, 4, 6, 6, 6

A. 2

B. 4

C. 6

D. None

Answer: C

74. Range of 10, 14, 18, 22

A. 8

B. 10

C. 12

D. 14

Answer: C

75. A die rolled. Probability of even number

A. 1/2

B. 1/3

C. 1/4

D. 1/6

Answer: A

76. Probability of selecting a vowel from “SCHOOL”

A. 1/6

B. 1/3

C. 1/2

D. 2/3

Answer: B

77. Mean of 2, 4, 6

A. 3

B. 4

C. 6

D. 12

Answer: B

78. Mode of 1, 2, 2, 3, 4

A. 1

B. 2

C. 3

D. 4

Answer: B

79. Probability of getting head when tossing a fair coin

A. 1/4

B. 1/3

C. 1/2

D. 1

Answer: C

80. Range of 5, 8, 12

A. 3

B. 4

C. 7

D. 12

Answer: C

81. If P(A)=0.4, P(not A)=

A. 0.2

B. 0.4

C. 0.6

D. 0.8

Answer: C

82. Probability of rolling a 7 on a fair die

A. 0

B. 1/6

C. 1/3

D. 1

Answer: A

83. Mean of 10, 15, 20, 25

A. 15

B. 17.5

C. 18

D. 20

Answer: B

84. The modal class is the class with

A. highest boundary

B. highest frequency

C. lowest frequency

D. average interval

Answer: B

85. Median of 11, 15, 17

A. 11

B. 15

C. 17

D. 21

Answer: B

SECTION E — MISCELLANEOUS (86–100)

86. Convert 2.5 hours to minutes

A. 120

B. 130

C. 140

D. 150

Answer: D

87. Speed = distance/time. If distance = 100 km, time = 2 hrs

A. 20

B. 40

C. 50

D. 60

Answer: C

88. Simple interest on ₦40,000 at 5% for 1 year

A. ₦1,000

B. ₦1,500

C. ₦2,000

D. ₦3,000

Answer: A

89. A ratio of 8:4 is equivalent to

A. 1:1

B. 2:1

C. 3:2

D. 4:1

Answer: B

90. Convert 300 seconds to minutes

A. 3

B. 4

C. 5

D. 6

Answer: C

91. Evaluate 2 × 3²

A. 6

B. 9

C. 12

D. 18

Answer: C

92. Log₁₀(1)

A. –1

B. 0

C. 1

D. 10

Answer: B

93. Find 3³

A. 6

B. 9

C. 12

D. 27

Answer: D

94. Convert 2.5 km to meters

A. 200

B. 250

C. 2500

D. 25000

Answer: C

95. 35% of 400

A. 120

B. 130

C. 140

D. 160

Answer: C

96. Evaluate: 5 – (2 – 3)

A. 2

B. 4

C. 6

D. 8

Answer: C

97. A square has side 15 cm. Perimeter is

A. 30

B. 45

C. 50

D. 60

Answer: D

98. Multiply 0.02 × 0.4

A. 0.008

B. 0.08

C. 0.8

D. 8

Answer: A

99. Convert ⅔ to decimal

A. 0.33

B. 0.44

C. 0.66

D. 0.75

Answer: C

100. Evaluate 2³ × 4²

A. 32

B. 64

C. 128

D. 256

Answer: C