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 441: Arrange and $\frac{3}{5}$,$\frac{9}{16}$, $\frac{34}{59}$ and $\frac{71}{97}$ in ascending order of magnitude. Options:
  A) $\frac{3}{5}$, $\frac{9}{16}$, $\frac{34}{59}$, $\frac{71}{97}$
  B) $\frac{9}{16}$, $\frac{34}{59}$, $\frac{3}{5}$ , $\frac{71}{97}$
  C) $\frac{3}{5}$, $\frac{9}{16}$, $\frac{71}{97}$, $\frac{34}{59}$
  D) $\frac{9}{16}$, $\frac{3}{5}$, $\frac{71}{97}$, $\frac{34}{59}$
  Show Answer
  The correct answer is B .
• Question 442: Evaluate $\int$(cos4x + sin3x)dx Options:
  A) sin4x - cos3x + k
  B) sin4x + cos3x + k
  C) $\frac{1}{4}$sin4x - $\frac{1}{3}$cos3x + k
  D) $\frac{1}{4}$sin4x + $\frac{1}{3}$cos3x + k
  Show Answer
  The correct answer is C .
• Question 443: 7 pupils of average age 12 years leave a class of 25 pupils of average age 14 years. If 6 new pupils of average age of 11 years join the class, what is the average age of the pupils now in the class? Options:
  A) 13 years
  B) 12 years 7$\frac{1}{2}$ months
  C) 13 years 5 months
  D) 13 years 10 months
  E) 11 years
  Show Answer
  The correct answer is D .
• Question 444:

  Musa borrows N10.00 at 2% per month simple interest and repays N8.00 after 4 months. How much does he still owe?

  Options:
  A) N10.80
  B) N10.67
  C) N2.80
  D) N2.67
  Show Answer
  The correct answer is C .
• Question 445: The larger value of y for which (y - 1)² = 4y - 7 is Options:
  A) 2
  B) 4
  C) 6
  D) 7
  E) 8
  Show Answer
  The correct answer is B .
• Question 446: In $△$ XYZ, XY = 13cm, YZ = 9cm, XZ = 11cm and XYZ = $\theta$. Find cos$\theta$^o Options:
  A) $\frac{4}{39}$
  B) $\frac{43}{39}$
  C) $\frac{209}{3}$
  D) $\frac{43}{78}$
  Show Answer
  The correct answer is D .
• Question 447: a cylindrical drum of diameter 56 cm contains 123.2 litres of oil when full. Find the height of the drum in centimeters Options:
  A) 12.5
  B) 25.0
  C) 45.0
  D) 50.00
  Show Answer
  The correct answer is D .
• Question 448: Evaluate correct to 4 decimal places 827.51 x 0.015 Options:
  A) 8.8415
  B) 12.4127
  C) 124.1265
  D) 12.4120
  E) 114.1265
  Show Answer
  The correct answer is B .
• Question 449: A man with an annual salary of ₦2000, has allowances of ₦600. If Income Tax is 5%, how much tax does he pay each year? Options:
  A) 15
  B) 20
  C) 30
  D) 25
  Show Answer
  The correct answer is C .
• Question 450:

  $\begin{array}{cccc}\text{Age in years}& 10& 11& 12\\ \text{Number of pupils}& 6& 27& 7\end{array}$

  The table above shows the number of pupils in each age group in a class. What is the probability that a pupil chosen at random is at least 11 years old?

  Options:
  A) $\frac{27}{40}$
  B) $\frac{17}{20}$
  C) $\frac{33}{40}$
  D) $\frac{3}{20}$
  Show Answer
  The correct answer is B .