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 2151: A point P moves such that it is equidistant from Points Q and R. Find QR when PR = 8cm and angle PRQ = 30° Options:
  A) 4√3cm
  B) 8cm
  C) 8√3cm
  D) 4cm
  Show Answer
  The correct answer is C .
• Question 2152: Integral ∫$(5x^3+7x^2-2x+5)$dx Options:
  A) $\frac{5x^4}{4}+\frac{7x^3}{3}+2x+C$
  B) $\frac{5x}{4}+\frac{7x^3}{3}-x^2+5x+C$
  C) $\frac{5x^3}{3}+\frac{7x^2}{x}-x+C$
  D) $\frac{2x^2}{3}+\frac{x}{5}-C$
  Show Answer
  The correct answer is B .
• Question 2153: When the expression pm² + qm + 1 is divided by (m - 1), it has a remainder is 4, Find p and q respectively Options:
  A) 2, -1
  B) -1, 2
  C) 3, -2
  D) -2, 3
  Show Answer
  The correct answer is B .
• Question 2154: The chances of Usman and Dele passing a Mathematics test are 12 and 13 respectively. What is the probability that neither of them passes the test? Options:
  A) $\frac{3}{5}$
  B) $\frac{2}{5}$
  C) $\frac{4}{15}$
  D) $\frac{1}{5}$
  E) $\frac{2}{15}$
  Show Answer
  The correct answer is C .
• Question 2155: Calculate the mean deviation of the set of numbers 7, 3, 14, 9, 7, and 8. Options:
  A) 13/6
  B) 5/2
  C) 7/6
  D) 7/3
  Show Answer
  The correct answer is D .
• Question 2156:

  

  Find the length XZ in the triangle

  Options:
  A) $\sqrt{7m}$
  B) $\sqrt{6m}$
  C) $\sqrt{5m}$
  D) $\sqrt{3m}$
  Show Answer
  The correct answer is A .
• Question 2157: If y = 3 cos 4x, dy/dx equals Options:
  A) 6 sin 8x
  B) -24 sin 4x
  C) 12 sin 4x
  D) -12 sin 4x
  Show Answer
  The correct answer is D .
• Question 2158:

  Evaluate $\frac{{27}^{\frac{1}{3}}-8^{\frac{2}{3}}}{{16}^{\frac{2}{4}}\times 2}$

  Options:
  A) $\frac{23}{5}$
  B) -$\frac{23}{5}$
  C) $\frac{1}{8}$
  D) $\frac{21}{7}$
  Show Answer
  The correct answer is C .
• Question 2159: The solution of the quadratic inequality (x³ + x - 12) ≥ 0 is Options:
  A) x ≥ -3 or x ≤ 4
  B) x ≥ 3 or x ≥ -4
  C) x ≤ 3 or x v -4
  D) x ≥ 3 or x ≤ -4
  Show Answer
  The correct answer is B .
• Question 2160: $\left(\begin{array}{cc}-2& 1\\ 2& 3\end{array}\right)$ + $\left(\begin{array}{cc}p& q\\ r& s\end{array}\right)$ = $\left(\begin{array}{cc}1& 0\\ 0& 1\end{array}\right)$. What is the value of r? Options:
  A) -$\frac{1}{8}$
  B) $\frac{3}{8}$
  C) $\frac{5}{8}$
  D) $\frac{1}{4}$
  Show Answer
  The correct answer is D .