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 1511: Evaluate $\frac{({81}^{\frac{3}{4}}-{27}^{\frac{1}{3}})}{3\times 2^3}$ Options:
  A) 3
  B) 1
  C) 1/3
  D) 1/8
  Show Answer
  The correct answer is B .
• Question 1512: If x * y = x + y², find then value of (2*3)*5 Options:
  A) 36
  B) 25
  C) 11
  D) 55
  Show Answer
  The correct answer is A .
• Question 1513:

  Find the equation of a line perpendicular to the line 4y = 7x + 3 which passes through (-3, 1)

  Options:
  A) 7y + 4x + 5 = 0
  B) 7y - 4x - 5 = 0
  C) 3y - 5x + 2 = 0
  D) 3y + 5x - 2 = 0
  Show Answer
  The correct answer is A .
• Question 1514: What is the common ratio of the G.P. $(\sqrt{10}+\sqrt{5})+(\sqrt{10}+2\sqrt{5})+...$? Options:
  A) $\sqrt{2}$
  B) $\sqrt{5}$
  C) 3
  D) 5
  Show Answer
  The correct answer is A .
• Question 1515: If angle $\theta$ is 135^o, evaluate cos$\theta$ Options:
  A) $\frac{1}{2}$
  B) $\frac{\sqrt{2}}{2}$
  C) $-\frac{\sqrt{2}}{2}$
  D) $-\frac{1}{2}$
  Show Answer
  The correct answer is B .
• Question 1516: A basket contains 9 apples, 8 bananas and 7 oranges. A fruit is picked from the basket, find the probability that it is neither an apple nor an orange. Options:
  A) $\frac{3}{8}$
  B) $\frac{1}{3}$
  C) $\frac{7}{24}$
  D) $\frac{2}{3}$
  Show Answer
  The correct answer is B .
• Question 1517: What is the value of sin(-690)? Options:
  A) $\frac{\sqrt{3}}{2}$
  B) -$\frac{\sqrt{3}}{2}$
  C) $\frac{-1}{2}$
  D) $\frac{1}{2}$
  Show Answer
  The correct answer is D .
• Question 1518: Evaluate $\int \sin 2xdx$ Options:
  A) cos 2x + k
  B) $\frac{1}{2}$cos 2x + k
  C) $-\frac{1}{2}$cos 2x + k
  D) -cos 2x + k
  Show Answer
  The correct answer is C .
• Question 1519:

  Evaluate ${\int }_{-2}^1(x-1{)}^{2}dx$

  Options:
  A) $\frac{-10}{3}$
  B) 7
  C) 9
  D) 11
  Show Answer
  The correct answer is C .
• Question 1520: Simplify $\frac{1}{x^2+5x+6}$ + $\frac{1}{x^2+3x+2}$ Options:
  A) $\frac{x}{(x+2)(x-3)}$
  B) $\frac{2}{(x+5)(x-3)}$
  C) $\frac{2}{(x+1)(x+3)}$
  D) $\frac{2}{(x-1)(x-3)}$
  Show Answer
  The correct answer is C .