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 1041:

  Tanθ is positive and Sinθ is negative. In which quadrant does θ lies

  Options:
  A) Second only
  B) Third only
  C) Fourth only
  D) First and third only
  Show Answer
  The correct answer is B .
• Question 1042: Simplify $\frac{\sqrt{12}-\sqrt{3}}{\sqrt{12}+\sqrt{3}}$ Options:
  A) $\frac{1}{3}$
  B) 9
  C) 16cm
  D) 3
  Show Answer
  The correct answer is A .
• Question 1043: Simplify $\frac{(1.25\times {10}^{-4})\times (2.0\times {10}^{-1})}{(6.25\times {10}^5)}$ Options:
  A) 4.0 x 10^-3
  B) 5.0 x 10^-2
  C) 2.0 x 10^-1
  D) 5.0 x 10^-3
  Show Answer
  The correct answer is A .
• Question 1044:

  In a class of 50 students, 40 students offered Physics and 30 offered Biology. How many offered both Physics and Biology?

  Options:
  A) 42
  B) 20
  C) 70
  D) 54
  Show Answer
  The correct answer is B .
• Question 1045:

  Calculate 243${}_{six}$ – 243${}_{five}$ expressing your answer in base 10.

  Options:
  A) 1
  B) 26
  C) 46
  D) 0
  Show Answer
  The correct answer is C .
• Question 1046: 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 1047:

  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 1048: If x + $\frac{1}{x}$ = 4, find x² + $\frac{1}{x^2}$ Options:
  A) 16
  B) 14
  C) 12
  D) 9
  Show Answer
  The correct answer is B .
• Question 1049: If x + $\frac{1}{x}$ = 4, find x² + $\frac{1}{x^2}$ Options:
  A) 16
  B) 14
  C) 12
  D) 9
  Show Answer
  The correct answer is B .
• Question 1050:

  

  The figure is a solid with the trapezium PQRS as its uniform cross-section. Find its volume

  Options:
  A) 120m²
  B) 576m³
  C) 816m³
  D) 1056m³
  Show Answer
  The correct answer is C .