Mathematics Exam Past Questions and Answers | JAMB, WAEC and NECO

Mathematics looks at measurement, relationships, and properties of numbers and groups using numbers and symbols. Important topics in math include arithmetic, algebra, geometry, and calculus.

• Question 1501: Find the slope of the curve y = 2x²n+ 5x - 3 at (1, 4). Options:
  A) 4
  B) 6
  C) 7
  D) 9
  Show Answer
  The correct answer is D .
• Question 1502: Simplify log¹⁰ a^{$\frac{1}{3}$} + $\frac{1}{4}$log₁₀ a - $\frac{1}{12}$log₁₀a⁷ Options:
  A) 1
  B) $\frac{7}{6}$log₁₀ a
  C) zero
  D) 10
  Show Answer
  The correct answer is C .
• Question 1503: Factorize 2t² + t - 15 Options:
  A) (2t - 3)(t + 5)
  B) (t + 3)(2t - 5)
  C) (t + 3)(t - 5)
  D) (2t + 3)(t - 5)
  Show Answer
  The correct answer is B .
• Question 1504: The ages of 10 students in a class are; 15, 16, 15.5, 17, 14.9, 14.5, 14.1, 15.1, 14.8. find the range of their ages. Options:
  A) 6.1
  B) 4.8
  C) 2.9
  D) 2.1
  E) 1.9
  Show Answer
  The correct answer is C .
• Question 1505:

  An equilateral triangle of side √3cm is inscribed in a circle. Find the radius of the circle.

  Options:
  A) 2/3 cm
  B) 2 cm
  C) 1 cm
  D) 3 cm
  Show Answer
  The correct answer is C .
• Question 1506: Given the scores: 4, 7, 8, 11, 13, 8 with corresponding frequencies: 3, 5, 2, 7, 2, 1 respectively. Find the square of the mode. Options:
  A) 49
  B) 121
  C) 25
  D) 64
  Show Answer
  The correct answer is B .
• Question 1507: Find the mean of the following 24.57, 25.63, 24.32, 26.01, 25.77 Options:
  A) 25.12
  B) 25.30
  C) 25.26
  D) 25.50
  E) 25.75
  Show Answer
  The correct answer is C .
• Question 1508:

  Determine the values for which $x^2-7x+10\le 0$

  Options:
  A) 2 $\le$ x $\ge$ 5
  B) -2 $\le$ x $\le$ 3
  C) -2 $\le$ x $\ge$ 3
  D) 2 $\le$ x $\le$ 5
  Show Answer
  The correct answer is D .
• Question 1509: If x varies inversely as the cube root of y and x = 1 when y = 8, find y when x = 3 Options:
  A) $\frac{1}{3}$
  B) $\frac{2}{3}$
  C) $\frac{8}{27}$
  D) $\frac{4}{9}$
  Show Answer
  The correct answer is C .
• Question 1510:

  Simplify $\frac{3}{5}$ $÷$ ($\frac{2}{7}$ x $\frac{4}{3}$ $÷$ $\frac{4}{9}$)

  Options:
  A) $\frac{6}{7}$
  B) $\frac{4}{5}$
  C) $\frac{7}{10}$
  D) $\frac{21}{6}$
  Show Answer
  The correct answer is C .