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 141: Rationalize $\frac{2-\sqrt{5}}{3-\sqrt{5}}$ Options:
  A) $\frac{1-\sqrt{5}}{2}$
  B) $\frac{1-\sqrt{5}}{4}$
  C) $\frac{\sqrt{5}-1}{2}$
  D) $\frac{1+\sqrt{5}}{4}$
  Show Answer
  The correct answer is B .
• Question 142: The sixth term of an A.P is half of its twelfth term. The first term of the A.P is equal to Options:
  A) zero
  B) half of the common difference
  C) double the common difference
  D) the common difference
  Show Answer
  The correct answer is D .
• Question 143:

  factorize m${}^3$ - m${}^2$ + 2m - 2

  Options:
  A) (m² + 1)(m - 2)
  B) (m - 1)(m + 1)(m + 2)
  C) (m - 2)(m + 1)(m - 1)
  D) (m² + 2)(m - 1)
  Show Answer
  The correct answer is D .
• Question 144: Make c the subject of formula v = 1 - $\frac{a}{5}$(b + $\frac{3c}{7}$) Options:
  A) [$\frac{7}{3}$ + $\frac{5}{a}$(v - 1)] + b
  B) [$\frac{7b}{3}$ + $\frac{5}{a}$(v - 1)]
  C) $\frac{7}{3}$[b + $\frac{5}{a}$(v - 1)]
  D) $\frac{7}{3}$[b + $\frac{5v-1}{a}$]
  Show Answer
  The correct answer is A .
• Question 145: One interior angle of a convex hexagon is 170^o and each of the remaining interior angles is equal to x^o. Find x Options:
  A) 120^o
  B) 110^o
  C) 105^o
  D) 102^o
  E) 100^o
  Show Answer
  The correct answer is B .
• Question 146: Solve the given equation (log₃x)² - 6 log₃x + 9 = 0 Options:
  A) 27
  B) 9
  C) $\frac{1}{27}$
  D) 18
  E) 81
  Show Answer
  The correct answer is A .
• Question 147: Solve for x in 8x^-2 = 2/25 Options:
  A) 4
  B) 6
  C) 8
  D) 10
  Show Answer
  The correct answer is D .
• Question 148: The letters of the word MATRICULATION are cut and put into a box. One letter is drawn at random from the box. Find the probability of drawing a vowel Options:
  A) $\frac{7}{13}$
  B) $\frac{5}{13}$
  C) $\frac{6}{13}$
  D) $\frac{8}{13}$
  E) $\frac{4}{13}$
  Show Answer
  The correct answer is C .
• Question 149: Reduce each number to two significant figures and then evaluate $\frac{0.021741\times 1.2047}{0.023789}$ Options:
  A) 0.8
  B) 0.9
  C) 1.1
  D) 1.2
  Show Answer
  The correct answer is C .
• Question 150: Find the probability that a number selected at random from 41 to 56 is a multiply of 9 Options:
  A) $\frac{1}{8}$
  B) $\frac{2}{15}$
  C) $\frac{3}{16}$
  D) $\frac{7}{8}$
  Show Answer
  The correct answer is A .