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 1531:

  A poultry farmer realized 200 eggs from his birds and sold 5 $\frac{1}{2}$ crates of eggs. What percentages of eggs are left?

  Options:
  A) 82.5%
  B) 15%
  C) 17.5%
  D) 85%
  Show Answer
  The correct answer is C .
• Question 1532: The angle of elevation of the top (T) of a palm tree from a point (R) on the ground is 30°. The distance from R to the base (B) of the palm tree is 120m. What is the distance between T and R? Options:
  A) 60m
  B) 60$\sqrt{3}$m
  C) 80$\sqrt{3}$m
  D) 120$\sqrt{3}$m
  E) 240m
  Show Answer
  The correct answer is C .
• Question 1533:

  

  In the figure, AB is parallel to CD then x + y + z is

  Options:
  A) 185${}^{\circ }$
  B) 200${}^{\circ }$
  C) 270${}^{\circ }$
  D) 360${}^{\circ }$
  E) 195${}^{\circ }$
  Show Answer
  The correct answer is D .
• Question 1534:

  

  The table above shows the frequency distribution of the ages (in years) of pupils in a certain secondary school. What percentage of the total number of pupils is over 15 years but less than 21 years?

  Options:
  A) 35%
  B) 45%
  C) 50%
  D) 60%
  Show Answer
  The correct answer is C .
• Question 1535: The 3rd term of an A.P is 4x - 2y and the 9th term is 10x - 8y. Find the common difference. Options:
  A) 19x - 17y
  B) 8x - 4y
  C) x - y
  D) 2x
  Show Answer
  The correct answer is C .
• Question 1536:

  Simplify

  $\frac{25\frac{2}{3}+25\frac{1}{6}}{(\frac{1}{5})\frac{7}{6}\times (\frac{1}{5})\frac{1}{6}}$

  Options:
  A) 25
  B) $\frac{1}{5}$
  C) 1
  D) $\frac{1}{25}$
  Show Answer
  The correct answer is B .
• Question 1537:

  Find the values of p and q such that (x - 1)and (x - 3) are factors of px³ + qx² + 11x - 6

  Options:
  A) -1, -6
  B) 1, -6
  C) 1, 6
  D) 6, -1
  Show Answer
  The correct answer is B .
• Question 1538:

  If A =$\left(\begin{array}{cc}2& 1\\ 2& 3\\ 1& 2\end{array}\right)$ and B =$\left(\begin{array}{cc}3& 2\\ 4& 2\end{array}\right)$. Find AB

  Options:
  A) $\left(\begin{array}{cc}18& 6\\ 12& 10\\ 10& 6\end{array}\right)$
  B) $\left(\begin{array}{cc}10& 6\\ 13& 10\\ 12& 6\end{array}\right)$
  C) $\left(\begin{array}{cc}10& 6\\ 12& 10\\ 11& 6\end{array}\right)$
  D) $\left(\begin{array}{cc}10& 6\\ 18& 10\\ 11& 6\end{array}\right)$
  Show Answer
  The correct answer is D .
• Question 1539: A circle with radius 5cm has its radius increasing at the rate of 0.2m/s. What will be the corresponding increase in the area? Options:
  A) 2π
  B) 5π
  C) π
  D) 4π
  Show Answer
  The correct answer is A .
• Question 1540: 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 .