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 1971: In how many ways can a delegation of 3 be chosen from 5 men and 3 women. If at least 1 man and 1 woman must be included? Options:
  A) 15
  B) 28
  C) 30
  D) 45
  Show Answer
  The correct answer is D .
• Question 1972:

  If P varies inversely as the square root of q, where p = 3 and q = 16, find the value of q when p = 4.

  Options:
  A) 12
  B) 8
  C) 9
  D) 16
  Show Answer
  The correct answer is C .
• Question 1973: a binary operation $\oplus$ o the set of rational numbers is defined as x $\oplus$ y = $\frac{x^2-y^2}{2xy}$. Find -5 $\oplus$ 3 Options:
  A) $\frac{8}{15}$
  B) -$\frac{17}{15}$
  C) $\frac{17}{15}$
  D) $\frac{8}{-15}$
  Show Answer
  The correct answer is D .
• Question 1974: Find the mean of the data: 7, -3, 4, -2, 5, -9, 4, 8, -6, 12 Options:
  A) 3
  B) 4
  C) 1
  D) 2
  Show Answer
  The correct answer is D .
• Question 1975:

  If y = 23${}_{\text{five}}$ + 101${}_{\text{three}}$, find y, leaving your answer in base two

  Options:
  A) 1110
  B) 10111
  C) 11101
  D) 111100
  Show Answer
  The correct answer is B .
• Question 1976:

  Find the value of x if $\frac{\sqrt{2}}{x+\sqrt{2}}$ = $\frac{1}{x-\sqrt{2}}$

  Options:
  A) 3$\sqrt{2}$ + 4
  B) 3$\sqrt{2}$ - 4
  C) 3 - 2$\sqrt{2}$
  D) 4 + 2$\sqrt{2}$
  Show Answer
  The correct answer is A .
• Question 1977:

  Evaluate $\frac{5}{8}-\frac{3}{4}÷\frac{5}{12}\times \frac{1}{4}$

  Options:
  A) - $\frac{3}{40}$
  B) $\frac{3}{40}$
  C) $\frac{7}{40}$
  D) -$\frac{263}{40}$
  Show Answer
  The correct answer is C .
• Question 1978:

  Simplify (1 + $\frac{\frac{x-1}{1}}{\frac{1}{x+1}}$)(x + 2)

  Options:
  A) (x² - 1)(x + 2)
  B) x²(x + 2)
  C) x² + 34
  D) $\frac{3x^2-1}{(x-1)}$
  Show Answer
  The correct answer is B .
• Question 1979:

  In a class of 40 students, 32 offer Mathematics, 24 offer Physics and 4 offer neither Mathematics nor Physics. How many offer both Mathematics and Physics?

  Options:
  A) 4
  B) 8
  C) 16
  D) 20
  Show Answer
  The correct answer is D .
• Question 1980: The length a person can jump is inversely proportional to his weight. If a 20 kg person can jump 1.5 m, find the constant of proportionality Options:
  A) 60
  B) 30
  C) 20
  D) 15
  Show Answer
  The correct answer is B .