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 191: In a regular polygon, each interior angle doubles its corresponding exterior angle. Find the number of sides of the polygon. Options:
  A) 8
  B) 6
  C) 4
  D) 3
  Show Answer
  The correct answer is B .
• Question 192: If U = (s, p, i, e, n, d, o, u, r), X = (s, p, e, n, d) Y = (s, e, n, o, u), Z = (p, n, o, u, r) find X ∩ Y ∪ Z Options:
  A) (p, o, u, r)
  B) (s, p, d, r)
  C) (p, n, d)
  D) (n, d, u)
  Show Answer
  The correct answer is C .
• Question 193:
  

  The graph above depicts the performance ratings of two sports teams A and B in five different seasons

  In the last five seasons, what was the difference in the average performance ratings between Team B and Team A?

  Options:
  A) 1.2
  B) 6.4
  C) 4.6
  D) 1.8
  Show Answer
  The correct answer is A .
• Question 194:

  

  In the figure, the area of the square of the square PQRS is 100cm². If the ratio of the area of the square TUYS to the area of the area of the square XQVU is 1 : 16, Find YR

  Options:
  A) 6cm
  B) 7cm
  C) 8cm
  D) 9cm
  Show Answer
  The correct answer is C .
• Question 195: What factor is common to all the expressions x² - x, 2x² + x - 1 and x² - 1? Options:
  A) x
  B) x + 1
  C) x - 1
  D) No common factor
  E) (2x - 1)
  Show Answer
  The correct answer is D .
• Question 196: If dy/dx = 2x - 3 and y = 3 when x = 0, find y in terms of x. Options:
  A) 2x² - 3x
  B) x² - 3x
  C) x² - 3x - 3
  D) x² - 3x + 3
  Show Answer
  The correct answer is D .
• Question 197: If y = x sinx, find dy/dx when x = π/2. Options:
  A) -π/2
  B) -1
  C) 1
  D) π/2
  Show Answer
  The correct answer is C .
• Question 198: Solve for x, If $\frac{\frac{2}{x}}{\frac{p^2+p^2}{p^2+p^2}}$ = m Options:
  A) $\frac{4pq}{m(p+q)}$
  B) $\frac{2p^2{q}^2}{m(q^2+p^2)}$
  C) $\frac{2pq}{m(q^2+p^2)}$
  D) $\frac{2p^2{q}^2}{m(p^2)}$
  Show Answer
  The correct answer is B .
• Question 199: The ratio of the base area of a hollow cone to that of its curved surface is 1:4. If its base radius is 7cm, calculate the slant height of the cone Options:
  A) 7cm
  B) 22cm
  C) 28cm
  D) 49cm
  E) 154cm
  Show Answer
  The correct answer is C .
• Question 200: Add 1101₂,10111₂ and 111₂ Options:
  A) 111011₂
  B) 110110₂
  C) 101011₂
  D) 101010₂
  Show Answer
  The correct answer is C .