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 691: Solve for x in the equation x³ - 5x² - x + 5 = 0 Options:
  A) 1, - 1, or 5
  B) 1, 1, or -5
  C) -1, 1, or -5
  D) 1, 1, or 5
  Show Answer
  The correct answer is A .
• Question 692:

  If D = $\left[\begin{array}{ccc}2& -1& 3\\ 4& 1& 2\\ 1& -3& 1\end{array}\right]$

  Find |D|

  Options:
  A) 16
  B) 14
  C) -23
  D) -37
  Show Answer
  The correct answer is C .
• Question 693: Solve the simultaneous equations $\frac{2}{x}-\frac{2}{x}$ = 2, $\frac{4}{x}+\frac{3}{y}$ = 10 Options:
  A) x = $\frac{3}{2}$, y = $\frac{3}{2}$
  B) x = $\frac{1}{2}$, y = $\frac{3}{2}$
  C) x = $\frac{-1}{2}$, y = $\frac{-3}{2}$
  D) x = $\frac{1}{2}$, y = $\frac{3}{2}$
  Show Answer
  The correct answer is B .
• Question 694:

  If $4{\sin }^{2}x-3=0$, find the value of x, when 0° $\le$ x $\le$ 90°

  Options:
  A) 90°
  B) 45°
  C) 60°
  D) 30°
  Show Answer
  The correct answer is C .
• Question 695: Evaluate $\frac{(18{)}^{\frac{3}{4}}-(27{)}^3}{3\times 2^3}$ Options:
  A) 27
  B) 1
  C) $\frac{1}{3}$
  D) $\frac{1}{8}$
  Show Answer
  The correct answer is B .
• Question 696: The sum of two numbers is 5; their product is 14. Find the numbers. Options:
  A) x = 5 or 1
  B) x = 7 or 1
  C) x = 7 or 0
  D) x = 7 or − 2
  Show Answer
  The correct answer is D .
• Question 697: What is the mean deviation 0f 3, 5, 8, 11, 12 and 21? Options:
  A) 37
  B) 60
  C) 10
  D) 4.7
  Show Answer
  The correct answer is D .
• Question 698: if P = {x : x is odd, $-1<x\le 20$} and Q is {y:y is prime, $-2<y\le 25$, find P $\cap$ Q. Options:
  A) {3,5,7,11,17,19}
  B) {3,5,11,13,17,19}
  C) {3,5,7,11,13,17,19}
  D) {2,3,5,7,11,13,17,19}
  Show Answer
  The correct answer is C .
• Question 699: An arc of a circle subtends an angle 70^o at the centre. If the radius of the circle is 6cm, calculate the area of the sector subtended by the given angle.($\pi$ = $\frac{22}{7}$) Options:
  A) 22cm²
  B) 44cm²
  C) 66cm²
  D) 88cm²
  Show Answer
  The correct answer is A .
• Question 700:

  

  In the figure, TSP = PRQ, QR = 8cm, PR = 6cm and ST = 12cm. Find the length SP.

  Options:
  A) 4cm
  B) 16cm
  C) 9cm
  D) 14cm
  E) Impossible, insufficient data
  Show Answer
  The correct answer is B .