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 1211:

  Simplify $\frac{0.026\times 0.36}{0.69}$. Leave your answer in standard form.

  Options:
  A) 1.36 x 10^-4
  B) 1.36 x 10^-3
  C) 1.36 x 10^-1
  D) 1.36 x 10^-2
  Show Answer
  The correct answer is D .
• Question 1212: If P = $\frac{2}{3}$ ($\frac{1-r^2}{n^2}$), find n when r = $\frac{1}{3}$ and p = 1 Options:
  A) $\frac{3}{2}$
  B) $\frac{1}{3}$
  C) 3
  D) $\frac{2}{3}$
  Show Answer
  The correct answer is D .
• Question 1213: Given the scores: 4, 7, 8, 11, 13, 8 with corresponding frequencies: 3, 5, 2, 7, 2, 1 respectively. The mean score is Options:
  A) 7.0
  B) 8.7
  C) 9.5
  D) 11.0
  Show Answer
  The correct answer is B .
• Question 1214: An arc of a circle of length 22 cm subtends an angle of 3x${}^{\circ }$ at the center of the circle. Find the value of x if the diameter of the circle is 14 cm Options:
  A) 60${}^{\circ }$
  B) 120${}^{\circ }$
  C) 180${}^{\circ }$
  D) 30${}^{\circ }$
  Show Answer
  The correct answer is A .
• Question 1215: A hunter 1.6 m tall, views a bird on top of a tree at an angle of 45 degrees. if the distance between the hunter and the tree is 10.4 m, find the height of the tree. Options:
  A) 9.0 m
  B) 12. 0 m
  C) 8.8 m
  D) 10.4 m
  Show Answer
  The correct answer is B .
• Question 1216:

  Find the total surface area of a cylinder of base radius 5cm and length 7cm (π = 3.14)

  Options:
  A) 219.9cm²
  B) 157.1cm²
  C) 377.0cm²
  D) 298.7cm²
  Show Answer
  The correct answer is C .
• Question 1217: The angle between latitudes 30^oS and 13^oN is Options:
  A) 17^o
  B) 33^o
  C) 43^o
  D) 53^o
  Show Answer
  The correct answer is C .
• Question 1218: Simplify (0.09)² and give your answer correct to 4 significant figures Options:
  A) 0.81
  B) 0.081
  C) 0.0081
  D) 8.0001
  Show Answer
  The correct answer is C .
• Question 1219:

  In a committee of 5, which must be selected from 4 males and 3 females. In how many ways can the members be chosen if it were to include 2 females?

  Options:
  A) 144 ways
  B) 15 ways
  C) 185 ways
  D) 12 ways
  Show Answer
  The correct answer is D .
• Question 1220:

  Given that $\theta$ is an acute angle and sin $\theta$ = $\frac{m}{n}$, find cos $\theta$

  Options:
  A) $\frac{\sqrt{n^2-m^2}}{m}$
  B) $\frac{\sqrt{(n+m)(n-m)}}{n}$
  C) $\frac{m}{\sqrt{n^2-m^2}}$
  D) $\sqrt{\frac{n}{n^2-m^2}}$
  Show Answer
  The correct answer is B .