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 1921:

  If $\frac{2\sqrt{3}-\sqrt{2}}{\sqrt{3}+2\sqrt{2}}$ = m + n √ 6, find the values of m and n respectively.

  Options:
  A) 1, − 2
  B) − 2, n = 1
  C) $\frac{-2}{5}$, 1
  D) $\frac{2}{3}$
  Show Answer
  The correct answer is B .
• Question 1922: An isosceles triangle of sides 13cm, 13cm, 10cm is inscribed in a circle. What is the radius of the circle? Options:
  A) 7$\frac{1}{24}$cm
  B) 12cm
  C) 8cm
  D) 7cm
  E) 69cm
  Show Answer
  The correct answer is A .
• Question 1923: What is the different between 0.007685 correct to three significant figures and 0.007685 correct to four places of decimal? Options:
  A) 10^-5
  B) 7 x 10^-4
  C) 8 x 10^-5
  D) 10^-6
  Show Answer
  The correct answer is A .
• Question 1924: The difference between the length and width of a rectangle is 6cm and the area is 135cm${}^2$. What is the length? Options:
  A) 25cm
  B) 18cm
  C) 15cm
  D) 24cm
  E) 27cm
  Show Answer
  The correct answer is C .
• Question 1925: Evaluate $\frac{\frac{1}{10}\times \frac{2}{3}+\frac{1}{4}}{\frac{\frac{1}{2}}{\frac{3}{5}}-\frac{1}{4}}$ Options:
  A) $\frac{7}{12}$
  B) $\frac{19}{35}$
  C) $\frac{2}{25}$
  D) $\frac{19}{60}$
  Show Answer
  The correct answer is B .
• Question 1926:

  

  In the figure, find angle x

  Options:
  A) 100${}^{\circ }$
  B) 120${}^{\circ }$
  C) 60${}^{\circ }$
  D) 110${}^{\circ }$
  E) 140${}^{\circ }$
  Show Answer
  The correct answer is E .
• Question 1927: If x = $\left|\begin{array}{ccc}1& 0& 1\\ 2& -1& 0\\ -1& 0& 1\end{array}\right|$ and y = $\left|\begin{array}{ccc}-1& 1& 2\\ 0& -1& -1\\ 2& 0& 1\end{array}\right|$
  find 2x - y Options:
  A) $\left|\begin{array}{ccc}3& -1& 0\\ 4& -3& -1\\ -4& 1& 1\end{array}\right|$
  B) $\left|\begin{array}{ccc}3& -1& 0\\ 4& -1& 1\\ -4& 1& 1\end{array}\right|$
  C) $\left|\begin{array}{ccc}3& -1& 0\\ 4& -3& 1\\ -4& 1& 1\end{array}\right|$
  D) $\left|\begin{array}{ccc}3& -1& 0\\ 4& 1& 1\\ -4& -1& 1\end{array}\right|$
  Show Answer
  The correct answer is B .
• Question 1928: In ∆MNO, MN = 6 units, MO = 4 units and NO = 12 units. If the bisector of and M meets NO at P, calculate NP. Options:
  A) 4.8 units
  B) 7.2 units
  C) 8.0 units
  D) 18.0 units
  Show Answer
  The correct answer is B .
• Question 1929: ${\int }_{-\frac{\pi }{2}}^{\frac{\pi }{2}}$cosx dx Options:
  A) 7
  B) 1
  C) 2
  D) 3
  Show Answer
  The correct answer is B .
• Question 1930: If x + 1 is a factor of x³ + 3x² + kx + 4, find the value of k Options:
  A) 6
  B) -6
  C) 8
  D) -8
  Show Answer
  The correct answer is A .