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 61: Find x if log₉x = 1.5 Options:
  A) 72.0
  B) 27.0
  C) 36.0
  D) 3.5
  E) 24.5
  Show Answer
  The correct answer is B .
• Question 62: Four members of a school first eleven cricket team are also members of the first fourteen rugby team. How many boys play for at least one of the two teams? Options:
  A) 25
  B) 21
  C) 16
  D) 3
  Show Answer
  The correct answer is B .
• Question 63: Find $\frac{dy}{dx}$. If y = 3x³ + 2x² + 3x + 1 Options:
  A) 9x² + 4x + 3
  B) 9x² - 4x - 3
  C) 9x² + 4x - 3
  D) 9x² - 4x + 3
  Show Answer
  The correct answer is A .
• Question 64:

  The 4th term of an A.P is 13 while the 10th term is 31. Find the 21st term

  Options:
  A) 175
  B) 85
  C) 64
  D) 45
  Show Answer
  The correct answer is C .
• Question 65: If 5^{(x + 2y)} = 5 and 4^{(x + 3y)} = 16, find 3^{(x + y)} Options:
  A) 7
  B) 1
  C) 3
  D) 27
  Show Answer
  The correct answer is B .
• Question 66: Convert 241 in base 5 to base 8, Options:
  A) 71₈
  B) 107₈
  C) 176₈
  D) 241₈
  Show Answer
  The correct answer is B .
• Question 67: If f(x - 4) = x² + 2x + 3, Find, f(2) Options:
  A) 6
  B) 11
  C) 27
  D) 51
  Show Answer
  The correct answer is D .
• Question 68: If y = x sin x, find $\frac{\delta y}{\delta x}$ Options:
  A) sin x - cos x
  B) cos x - x sin x
  C) cos x + x sin x
  D) sin x + x cos x
  Show Answer
  The correct answer is D .
• Question 69:

  Simplify $\sqrt[3]{(64r^6{)}^{\frac{1}{2}}}$

  Options:
  A) $\frac{r}{2}$
  B) 2r
  C) $\frac{1}{2r}$
  D) $\frac{2}{r}$
  E) 64r
  Show Answer
  The correct answer is E .
• Question 70: In a survey of 50 newspaper readers, 40 read Champion and 30 read Guardian, how many read both papers? Options:
  A) 10
  B) 5
  C) 15
  D) 20
  Show Answer
  The correct answer is D .