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 51: THe cost of renovating a 6 m square room is N540. What is the cost of renovating a 9 m square room? Options:
  A) N1215
  B) N720
  C) N1620
  D) N810
  Show Answer
  The correct answer is D .
• Question 52: (1.28 x 10⁴) + (6.4 x 10²) equals Options:
  A) 2 x 10^-5
  B) 2 x 10^-1
  C) 2 x 10¹
  D) 2 x 10^-4
  Show Answer
  The correct answer is C .
• Question 53: If -8, m, n, 19 are in arithmetic progression, find (m, n) Options:
  A) 1, 10
  B) 2, 10
  C) 3, 13
  D) 4, 16
  Show Answer
  The correct answer is A .
• Question 54: If y + $\frac{1}{y}$ = 9, evaluate y² + $\frac{1}{y^2}$ Options:
  A) 27
  B) 38
  C) 54
  D) 63
  E) 79
  Show Answer
  The correct answer is E .
• Question 55:
  

  Use the quadratic equation curve to answer this question.

  What is the 80th percentile?

  Options:
  A) -5.3
  B) 0.5
  C) 3
  D) 8
  Show Answer
  The correct answer is A .
• Question 56: If a circular paper disc is trimmed in such a way that its circumference is reduced in the ratio 2:5, In what ratio is the surface reduced? Options:
  A) 8 : 125
  B) 2 : 5
  C) 8 : 25
  D) 4 : 25
  E) 4 : 10
  Show Answer
  The correct answer is D .
• Question 57: Find the value of $\frac{tan{60}^o-tan{30}^o}{tan{60}^o+tan{30}^o}$ Options:
  A) 1
  B) $\frac{1}{2}$
  C) $\frac{3}{\sqrt{3}}$
  D) $\frac{2}{\sqrt{3}}$
  Show Answer
  The correct answer is B .
• Question 58: Make L the subjects of the formula if $\sqrt{\frac{42w}{5l}}$ Options:
  A) $\sqrt{\frac{42w}{5d}}$
  B) $\frac{42W}{5d^2}$
  C) $\frac{42}{5dW}$
  D) $\frac{1}{d}\sqrt{\frac{42w}{5}}$
  Show Answer
  The correct answer is B .
• Question 59: The acres for rice, pineapple, cassava, cocoa, and palm oil in a certain district are given respectively as 2, 5, 3, 11, and 9. What is the angle sector for cassava in a pie chart? Options:
  A) 108°
  B) 180°
  C) 36°
  D) 60°
  Show Answer
  The correct answer is C .
• Question 60:

  Given that sin (5$x$ − 28)${}^o$ = cos(3$x$ − 50)${}^o$, O$x$ < 90${}^o$

  Find the value of $x$

  Options:
  A) 14${}^o$
  B) 21${}^o$
  C) 32${}^o$
  D) 39${}^o$
  Show Answer
  The correct answer is B .