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 1601:

  

  In the diagram, GI is a tangent to the circle at H. If EF||GI, calculate the size of ∠EHF.

  Options:
  A) 126°
  B) 72°
  C) 54°
  D) 28°
  Show Answer
  The correct answer is B .
• Question 1602: Simplify $\frac{x+2}{x+1}$ - $\frac{x-2}{x+2}$ Options:
  A) $\frac{3}{x+1}$
  B) $\frac{3x+2}{(x+1)(x+2)}$
  C) $\frac{5x+6}{(x+1)(x+2)}$
  D) $\frac{2x^2+5x+2}{(x+1)(x+2)}$
  Show Answer
  The correct answer is C .
• Question 1603:

  In how many ways can the letters LEADER be arranged?

  Options:
  A) 72
  B) 144
  C) 360
  D) 720
  Show Answer
  The correct answer is C .
• Question 1604: Simplify $\frac{a-b}{a+b}$ - $\frac{a+b}{a-b}$ Options:
  A) $\frac{4ab}{a-b}$
  B) $\frac{-4ab}{a^2-b^2}$
  C) $\frac{-4ab}{a^{-2}-b}$
  D) $\frac{4ab}{a^{-2}-b^{-2}}$
  Show Answer
  The correct answer is B .
• Question 1605: Evaluate ${\int }_1^2(6x^2-2x)dx$ Options:
  A) 16
  B) 13
  C) 12
  D) 11
  Show Answer
  The correct answer is D .
• Question 1606:

  

  The figure below is a Venn diagram showing the elements arranged within sets A, B, C, $ϵ$.

  Use the figure to answer this question

  What is n(A U B)^c ?

  Options:
  A) 2
  B) 3
  C) 4
  D) 7
  Show Answer
  The correct answer is C .
• Question 1607: Make r subject of the formula given that $\frac{x}{r+a}=\frac{a}{r}$ Options:
  A) $\frac{a^2}{(x-a)}$
  B) $\frac{a^2}{(x+a)}$
  C) $\frac{a}{x-a}$
  D) $\frac{a}{x+a}$
  Show Answer
  The correct answer is A .
• Question 1608:

  Add 54 ${}_{eight}$ and 67${}_{eight}$ giving your answers in base eight

  Options:
  A) 111
  B) 121
  C) 123
  D) 143
  Show Answer
  The correct answer is D .
• Question 1609: The diagonals of a rhombus are 6cm and 8cm. Find the area of the rhombus. Options:
  A) 96cm²
  B) 48cm²
  C) 24cm²
  D) 0.14cm²
  E) 12cm2
  Show Answer
  The correct answer is C .
• Question 1610: A man invests a sum of money at 4% per annum simple interest. After 3 years, the principal amounts to ₦7,000.00. Find the sum invested. Options:
  A) ₦7,840.00
  B) ₦6,250.00
  C) ₦6,160.00
  D) ₦5,833.33
  Show Answer
  The correct answer is B .