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 1331: If tan θ = 4/3, calculate sin²θ - cos²θ. Options:
  A) 16/25
  B) 24/25
  C) 7/25
  D) 9/25
  Show Answer
  The correct answer is C .
• Question 1332: The scores of set of final year students in the first semester examination in a paper are 41, 29, 55, 21, 47, 70, 70, 40, 43, 56, 73, 23, 50, 50. Find the median of the scores. Options:
  A) 47
  B) 50
  C) 48$\frac{1}{2}$
  D) 48
  E) 49
  Show Answer
  The correct answer is C .
• Question 1333: Determine x + y if $\left(\begin{array}{cc}2& -3\\ -1& 4\end{array}\right)$ $\left(\begin{array}{c}x\\ y\end{array}\right)$ = $\left(\begin{array}{c}-1\\ 8\end{array}\right)$ Options:
  A) 3
  B) 4
  C) 7
  D) 12
  Show Answer
  The correct answer is C .
• Question 1334: Simplify ($\frac{3}{4}$ of $\frac{4}{9}$ $÷$ 9$\frac{1}{2}$) $÷$ 1$\frac{5}{19}$ Options:
  A) $\frac{1}{5}$
  B) $\frac{1}{4}$
  C) $\frac{1}{36}$
  D) $\frac{1}{25}$
  Show Answer
  The correct answer is C .
• Question 1335:

  Score (x)	0	1	2	3	4	5	6
  Freq (f)	5	7	3	7	11	6	7

  Find the mean of the data.

  Options:
  A) 3.26
  B) 4.91
  C) 6.57
  D) 3.0
  Show Answer
  The correct answer is A .
• Question 1336:

  Three consecutive terms of a geometric progression are give as n - 2, n and n + 3. Find the common ratio

  Options:
  A) $\frac{3}{2}$
  B) $\frac{2}{3}$
  C) $\frac{1}{2}$
  D) $\frac{1}{4}$
  Show Answer
  The correct answer is A .
• Question 1337:

  Give the number of significant figures of the population of a town which has approximately 5,020,700 people

  Options:
  A) 7 significant figures
  B) 3 significant figures
  C) 4 significant figures
  D) 5 significant figures
  Show Answer
  The correct answer is D .
• Question 1338:

  

  The bar chart above shows the marks obtained by students in a mathematics test.

  How many students in all took the test?

  Options:
  A) 40
  B) 30
  C) 10
  D) 20
  Show Answer
  The correct answer is A .
• Question 1339: The model height and range of heights 1.35, 1.25, 1.35, 1.40, 1.35, 1.50, 1.35, 1.50, and 1.20 are m and r respectively. Find m+2r. Options:
  A) 1.35
  B) 1.65
  C) 1.95
  D) 3.00
  Show Answer
  The correct answer is C .
• Question 1340: At what real value of x do the curves whose equations are y = x³ + x and y = x² + 1 intersect? Options:
  A) -2
  B) 2
  C) -1
  D) 9
  E) 1
  Show Answer
  The correct answer is E .