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 a binary operation * is defined by x * y = x + 2y, find 2 * (3 * 4) Options:
  A) 24
  B) 16
  C) 14
  D) 26
  Show Answer
  The correct answer is A .
• Question 1632: If m and n are the mean and median respectively of the set of numbers 2, 3, 9, 7, 6, 7, 8, 5, find m + 2n to the nearest whole number Options:
  A) 19
  B) 18
  C) 13
  D) 12
  Show Answer
  The correct answer is A .
• Question 1633: The cost of production of an article is made up as follows: Labour ₦70, Power ₦15, Materials ₦30, Miscellaneous ₦5. Find the angle of the sector representing Labour in a pie chart Options:
  A) 210^o
  B) 105^o
  C) 105^o
  D) 175^o
  E) 90^o
  Show Answer
  The correct answer is A .
• Question 1634: 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 .
• Question 1635: x is a point due east of point Y on a coast Z is another point on the coast but 63m due south of y. If the distance ZX is 12Km. Calculate the bearing of Z from X Options:
  A) 240^o
  B) 210^o
  C) 150^o
  D) 60^o
  Show Answer
  The correct answer is B .
• Question 1636: If $P=\sqrt{\frac{r{s}^3}{t}}$, express r in terms of p, s and t Options:
  A) $\frac{p^{2}t}{s^3}$
  B) $\frac{p^{3}t}{s^3}$
  C) $\frac{p^{3}t}{s^2}$
  D) $\frac{p^t}{s^3}$
  Show Answer
  The correct answer is A .
• Question 1637:

  

  The shaded area represents

  Options:
  A) x $\le$ 0, y $\le$ 0, 2y + 3x $\le$ 6
  B) x $\ge$ 0, y $\ge$ 3, 3x + 2y $\ge$ 6
  C) x $\ge$ 2, y $\ge$ 0, 3x + 2y $\le$ 6
  D) x $\ge$ 0, y $\ge$ 0, 3x + 2y $\ge$ 6
  Show Answer
  The correct answer is A .
• Question 1638: If f(x - 2) = 3x² + 4x + 1. Find the area of the sector Options:
  A) 8
  B) 40
  C) 7
  D) 24
  E) 32
  Show Answer
  The correct answer is B .
• Question 1639: Find the roots of the equation 10x² - 13x - 3 = 0 Options:
  A) x = $\frac{3}{5}$ or -$\frac{1}{2}$
  B) x = $\frac{3}{10}$ or -1
  C) x = $\frac{3}{10}$ or 1
  D) x = $\frac{1}{5}$ or $\frac{-3}{2}$
  E) x = -$\frac{1}{5}$ or $\frac{3}{2}$
  Show Answer
  The correct answer is E .
• Question 1640:

  Find the smallest number by which 252 can be multiplied to obtain a perfect square

  Options:
  A) 2
  B) 3
  C) 5
  D) 7
  Show Answer
  The correct answer is D .