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 1691: Find the derivative of y = sin(2x³ + 3x - 4) Options:
  A) cos (2x³ + 3x - 4)
  B) -cos (2x³ + 3x - 4)
  C) (6x² + 3) cos (2x³ + 3x - 4)
  D) -(6x² + 3) cos (2x³ + 3x - 4)
  Show Answer
  The correct answer is C .
• Question 1692:

  

  The mean score is

  Options:
  A) 7.0
  B) 8.7
  C) 9.5
  D) 11.0
  Show Answer
  The correct answer is B .
• Question 1693: Simplify (6 - x - x²) ÷ (x² - 4) Options:
  A) (3 + x) ÷ (x + 2)
  B) (x - 3) ÷ (x - 2)
  C) (x - 3) ÷ (x + 3)
  D) (3 - x) ÷ (x + 2)
  E) (3 - x) ÷ (x - 2)
  Show Answer
  The correct answer is D .
• Question 1694:

  Given that the various faces of a fair dice 1, 2, 3, 4, 5, 6 appeared 30, 43, 54, 40, 41, 32 times respectively in a single toss. Picture the figures as being represented in a simple table with number (X) against frequency (f).

  If a pie chart is used to depict the data, the angle corresponding to 4 is?

  Options:
  A) 10°
  B) 16°
  C) 40°
  D) 60°
  Show Answer
  The correct answer is D .
• Question 1695:

  

  In the figure, the chords XY and ZW are produced to meet at T such that YT = WT, ZYW = 40${}^{\circ }$ and YTW = 30${}^{\circ }$. What is YXW?

  Options:
  A) 50${}^{\circ }$
  B) 75${}^{\circ }$
  C) 35${}^{\circ }$
  D) 115${}^{\circ }$
  E) 30${}^{\circ }$
  Show Answer
  The correct answer is C .
• Question 1696: A binary operation $\ast$ is defined on a set of real numbers by x $\ast$ y = x^y for all real values of x and y. If x $\ast$ 2 = x. Find the possible values of x Options:
  A) 0, 1
  B) 1, 2
  C) 2, 2
  D) 0, 2
  Show Answer
  The correct answer is A .
• Question 1697: Bello chooses a number randomly from 1 to 10. What is the probability that it is either odd or prime? Options:
  A) $\frac{1}{10}$
  B) $\frac{2}{5}$
  C) $\frac{1}{2}$
  D) $\frac{3}{5}$
  E) $\frac{9}{10}$
  Show Answer
  The correct answer is D .
• Question 1698: The chances of Usman and Dele passing a Mathematics test are 12 and 13 respectively. What is the probability that neither of them passes the test? Options:
  A) $\frac{3}{5}$
  B) $\frac{2}{5}$
  C) $\frac{4}{15}$
  D) $\frac{1}{5}$
  E) $\frac{2}{15}$
  Show Answer
  The correct answer is C .
• Question 1699: Solve for r in the following equation $\frac{1}{r-1}$ + $\frac{2}{r+1}$ = $\frac{3}{r}$ Options:
  A) 3
  B) 4
  C) 5
  D) 6
  Show Answer
  The correct answer is A .
• Question 1700: Solve the equation: y - 11y + 24 = 0 Options:
  A) 8, 3
  B) 64, 9
  C) 6, 4
  D) 9, -8
  Show Answer
  The correct answer is B .