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 331: Calculate the area of a parallelogram whose diagonals are of length 8cm and 12cm and intersect at an angle of 135° Options:
  A) 271.5cm²
  B) 135.8cm²
  C) 96.0cm²
  D) 48.0cm²
  E) 33.9cm²
  Show Answer
  The correct answer is E .
• Question 332:

  

  The sketch is the curve of y = ax² + bx + c. Find a, b and c respectively

  Options:
  A) 1, 0, -4
  B) -2, 2, -4
  C) 0, 1, -4
  D) 2, -2, -4
  E) 2, -2, -4
  Show Answer
  The correct answer is A .
• Question 333: If $\frac{1}{p}$ = $\frac{a^2+2ab+b^2}{a-b}$ and $\frac{l}{q}$ = $\frac{a+b}{a^2-2ab+b^2}$ Find $\frac{p}{q}$ Options:
  A) $\frac{a+b}{a-b}$
  B) $\frac{1}{a^2-b^2}$
  C) $\frac{a-b}{a+b}$
  D) a² - b²
  Show Answer
  The correct answer is B .
• Question 334:

  $\frac{d}{dx}$ cos(3x² - 2x) is equal to

  Options:
  A) -sin(6x - 2)
  B) -sin(3x² - 2x)dx
  C) (6x - 2) sin(3x² - 2x)
  D) -(6x - 2)sin(3x² - 2x)
  Show Answer
  The correct answer is D .
• Question 335: Find at which rate per annum simple interest ₦525 will amount to ₦588 in 3 years. Options:
  A) 3%
  B) 2%
  C) 5%
  D) 4%
  Show Answer
  The correct answer is D .
• Question 336: A woman bought a grinder for ₦60,000. She sold it at a loss of 15%. How much did she sell it? Options:
  A) ₦53,000
  B) ₦52,000
  C) ₦51,000
  D) ₦50,000
  Show Answer
  The correct answer is C .
• Question 337:

  Find the missing value in the table below:

  $\begin{array}{ccccccccc}x& -4& -3& -2& -1& 0& 1& 2& 3\\ y=4-3x-x^3& 80& & 18& 8& 4& 0& -10& -32\end{array}$

  Options:
  A) -32
  B) -14
  C) 40
  D) 22
  E) 37
  Show Answer
  The correct answer is C .
• Question 338:

  Evaluate$({101}_{two}{)}^3$

  Options:
  A) ${111101}_{two}$
  B) ${11111101}_{two}$
  C) ${1111101}_{two}$
  D) ${11001}_{two}$
  Show Answer
  The correct answer is C .
• Question 339: What must be added to 4x² - 4 to make it a perfect square? Options:
  A) $\frac{-1}{x^2}$
  B) $\frac{1}{x^2}$
  C) 1
  D) -1
  Show Answer
  The correct answer is B .
• Question 340:

  

  In triangles XYZ and XQP, XP = 4cm, XQ = 5cm and PQ = QY = 3cm. Find ZY

  Options:
  A) 8cm
  B) 6cm
  C) 4cm
  D) 3cm
  Show Answer
  The correct answer is B .