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 1631: If 8^{$\frac{x}{2}$} = (2^{$\frac{3}{8}$})(4$\frac{3}{4}$), find x Options:
  A) $\frac{3}{8}$
  B) $\frac{3}{4}$
  C) $\frac{4}{5}$
  D) $\frac{5}{4}$
  Show Answer
  The correct answer is D .
• Question 1632:

  Find the simple interest rate percent annum at which N1000 accumulates to N1240 in 3 years.

  Options:
  A) 6%
  B) 8%
  C) 10%
  D) 12%
  Show Answer
  The correct answer is B .
• Question 1633:

  Evaluate $(\frac{6}{0.32}÷\frac{2}{0.084}{)}^{-1}$ correct to 1 decimal place.

  Options:
  A) 1.3
  B) 2.5
  C) 4.6
  D) 3.2
  Show Answer
  The correct answer is A .
• Question 1634: Find the values of y which satisfy the simultaneous equations x + y = 5, x² - 2y² = 1 Options:
  A) -12, -2
  B) -12, 12
  C) 12, -2
  D) 2, -2
  Show Answer
  The correct answer is C .
• Question 1635: A sector of angle 120° is cut out from a circle of radius 13.5cm. what area of the circle is remaining ? (π = $\frac{22}{7}$) Options:
  A) 14.1cm²
  B) 95.5cm²
  C) 190.9cm²
  D) 381.9cm²
  E) 763.7cm²
  Show Answer
  The correct answer is D .
• Question 1636: x varies directly as y and inversely as z. when x = 5, y = 2 and z = 1. What is the value of x when y = 5 and z = 2? Options:
  A) 2.5
  B) 5
  C) 6.25
  D) 6.52
  E) 7.5
  Show Answer
  The correct answer is C .
• Question 1637: Find the product of (2$\sqrt{y-3y}$) and (3y = 2y) Options:
  A) 4y = y²
  B) 4y + 9y²
  C) 4y - 9y²
  D) -4y - 9y²
  E) 2y + y²
  Show Answer
  The correct answer is C .
• Question 1638: The ratio of the base area of a hollow cone to that of its curved surface is 1:4. If its base radius is 7cm, calculate the slant height of the cone Options:
  A) 7cm
  B) 22cm
  C) 28cm
  D) 49cm
  E) 154cm
  Show Answer
  The correct answer is C .
• Question 1639:

  

  The bar chart above shows the distribution of SS2 students in a school.

  Find the total number of students

  Options:
  A) 180
  B) 135
  C) 210
  D) 105
  Show Answer
  The correct answer is A .
• Question 1640: If ($\frac{2}{3}$)m ($\frac{3}{4}$)n = $\frac{252}{729}$, find the values of m and n Options:
  A) m = 4, n = 2
  B) m = -4, n = -2
  C) m = -4, n =2
  D) m = 4, n = -2
  E) m = -2, n = 4
  Show Answer
  The correct answer is D .