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 1121:

  Integrate $\int (4x^{-3}-7x^2+5x-6)\mathrm{d}x$.

  Options:
  A) $-2x^{-2}-\frac{7}{3}{x}^3+\frac{5}{2}{x}^2-6x$
  B) $2x^2+\frac{7}{3}{x}^3-5x+6$
  C) $12x^2+14x-5$
  D) $-12x^{-4}-14x+5$
  Show Answer
  The correct answer is A .
• Question 1122: PQRSTW is a regular hexagon and QS intersects RT at V. Calculate ∠TVS Options:
  A) 120${}^{\circ }$
  B) 90${}^{\circ }$
  C) 30${}^{\circ }$
  D) 60${}^{\circ }$
  Show Answer
  The correct answer is D .
• Question 1123: If y = x(x4 + x + 1), evaluate ∫${}_0^1$ ydx Options:
  A) $\frac{11}{12}$
  B) $\frac{11}{16}$
  C) $\frac{5}{6}$
  D) zero
  Show Answer
  The correct answer is D .
• Question 1124: Simplify $\sqrt{27}$ + $\frac{3}{\sqrt{3}}$ Options:
  A) 4$\sqrt{3}$
  B) $\frac{4}{\sqrt{3}}$
  C) 3$\sqrt{3}$
  D) $\frac{\sqrt{3}}{4}$
  Show Answer
  The correct answer is A .
• Question 1125: If a{$\frac{x+1}{x-2}-\frac{x-1}{x+2}$} = 6x. Find a in its simplest form Options:
  A) x² - 1
  B) x² + 1
  C) x² + 4
  D) x² - 4
  E) 1
  Show Answer
  The correct answer is D .
• Question 1126: The chord ST of a circle is equal to the radius, r, of the circle. Find the length of arc ST. Options:
  A) πr/6
  B) πr/2
  C) πr/12
  D) πr/3
  Show Answer
  The correct answer is D .
• Question 1127: Express $\frac{5x-12}{(x-2)(x-3)}$ in partial fractions Options:
  A) $\frac{2}{x-2}-\frac{3}{x-3}$
  B) $\frac{2}{x-2}+\frac{3}{x-3}$
  C) $\frac{2}{x-2}-\frac{3}{x-2}$
  D) $\frac{5}{x-3}-\frac{4}{x-2}$
  Show Answer
  The correct answer is B .
• Question 1128: The locus of a point which is 5 cm from the line LM is a Options:
  A) line distance 10 cm from LM and parallel to LM
  B) pair of line on opposite sides of LM and parallel to it, each distance 5 cm from LM
  C) line parallel to LM and 5 cm from LM
  D) pair of parallel lines on one side of LM and parallel to LM
  Show Answer
  The correct answer is B .
• Question 1129:

  Fifty boxes each of 50 bolts were inspected for the number which were defective. The following was the result:

  $\begin{array}{ccccccc}\text{No. defective per box}& 4& 5& 6& 7& 8& 9\\ \text{No. of boxes}& 2& 7& 17& 10& 8& 6\end{array}$

  Find the percentage of boxes containing at least 5 defective bolts each.

  Options:
  A) 96
  B) 94
  C) 92
  D) 90
  Show Answer
  The correct answer is A .
• Question 1130: Simplify $\frac{(\surd 12-\surd 3)}{(\surd 12+\surd 3)}$ Options:
  A) zero
  B) 1/3
  C) 3/5
  D) 1
  Show Answer
  The correct answer is B .