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 1711: A polynomial in x whose zeros are -2, -1 and 3 is Options:
  A) x³ - 7x + 6
  B) x³ + 7x - 6
  C) x³ + 7x + 6
  D) x³ - 7x - 6
  Show Answer
  The correct answer is D .
• Question 1712: 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 1713: Using the graph find the values of p and q if px + qy $\ge$ 4 Options:
  A) p = 2, q = -1
  B) p = -1, q = 2
  C) p = 2, q = 2
  D) p = 1, q = 2
  Show Answer
  The correct answer is B .
• Question 1714:

  

  In the diagram, the tangent MN makes an angle of 55^o with the chord PS. IF O is the centre of the circle, find <RPS.

  Options:
  A) 55^o
  B) 45^o
  C) 35^o
  D) 25^o
  Show Answer
  The correct answer is C .
• Question 1715:

  If y varies inversely as x and x = 3 when y =4. Find the value of x when y = 12

  Options:
  A) 4
  B) 1
  C) 2
  D) 3
  Show Answer
  The correct answer is B .
• Question 1716: Make Q the subject of formula if p = $\frac{M}{5}$(X + Q) + 1 Options:
  A) $\frac{5P-MX+5}{M}$
  B) $\frac{5P-MX-5}{M}$
  C) $\frac{5P+MX+5}{M}$
  D) $\frac{5P+MX-5}{M}$
  Show Answer
  The correct answer is B .
• Question 1717: Make Q the subject of formula when $L=\frac{4}{3}M\sqrt{PQ}$ Options:
  A) $\frac{9L^2}{16M^2}P$
  B) $\frac{3L}{4M\sqrt{P}}$
  C) $\frac{\sqrt{3L}}{4MP}$
  D) $\frac{3L^2}{16M^2}P$
  Show Answer
  The correct answer is A .
• Question 1718: The derivatives of (2x + 1)(3x + 1) is Options:
  A) 12x + 1
  B) 6x + 5
  C) 6x + 1
  D) 12x + 5
  Show Answer
  The correct answer is D .
• Question 1719: If two fair coins are tossed, what is the probability of getting at least one head? Options:
  A) $\frac{1}{4}$
  B) $\frac{1}{2}$
  C) 1
  D) $\frac{43}{78}$
  E) $\frac{3}{4}$
  Show Answer
  The correct answer is E .
• Question 1720: Integrate $\frac{1-x}{x^3}$ with respect to x Options:
  A) $\frac{x-x^2}{x^4}$ + k
  B) $\frac{4}{x^4}-\frac{3+k}{x^3}$
  C) $\frac{1}{x}-\frac{1}{2x^2}$ + k
  D) $\frac{1}{3x^2}-\frac{1}{2x}$ + k
  Show Answer
  The correct answer is C .