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 801: If y = $(x^2+3x-1)÷(3x+4).$ Find dy/dx Options:
  A) $(3x^2+8x+7)÷(3x+4{)}^2$
  B) $x^2+2x+(1÷(x+1{)}^2)$
  C) $2x^2+4x+(1÷(2x+4{)}^2)$
  D) $x^2+3x+(2÷(x+3{)}^2)$
  Show Answer
  The correct answer is A .
• Question 802: A cuboid has a diagonal of length 9cm and a square base of side 4cm. What is its height? Options:
  A) 9cm
  B) $\sqrt{65}$cm
  C) 4$\sqrt{2}$cm
  D) 7cm
  E) 6.5cm
  Show Answer
  The correct answer is B .
• Question 803: In a class of 40 students, 32 offer mathematics, 24 offer Physics, and 4 offer neither Mathematics nor Physics. How many offer both Mat
  ematics and Physics? Options:
  A) 20
  B) 16
  C) 8
  D) 4
  Show Answer
  The correct answer is A .
• Question 804: Simplify $\frac{1-x^2}{x-x^2}$, where x $\ne$ 0 Options:
  A) $\frac{1}{x}$
  B) $\frac{1-x}{x}$
  C) $\frac{1+x}{x}$
  D) $\frac{1}{x-1}$
  E) $\frac{-x-1}{1}$
  Show Answer
  The correct answer is C .
• Question 805:

  Given that A = {3, 4, 1, 10, ⅓ }

  B = {4, 3 ⅓, ⅓, 7}.

  Find A∩B

  Options:
  A) {}
  B) {⅓, 1, 2}
  C) {3, 4, ⅓}
  D) {1, 3, ⅓}
  Show Answer
  The correct answer is C .
• Question 806: If three unbiased coins are tossed, find the probability that they are all heads Options:
  A) $\frac{1}{2}$
  B) $\frac{1}{3}$
  C) $\frac{1}{9}$
  D) $\frac{1}{8}$
  Show Answer
  The correct answer is D .
• Question 807: Evaluate ∫sin 3x dx Options:
  A) (2/3) cos 3x + c
  B) (1/3) cos 3x + c
  C) (-1/3) cos 3x + c
  D) (-2/3) cos 3x + c
  Show Answer
  The correct answer is C .
• Question 808: Solve the equation (x - 2) (x - 3) = 12 Options:
  A) 2, 3
  B) 3, 6
  C) -1, 6
  D) 1, -6
  Show Answer
  The correct answer is C .
• Question 809: Simplify $\frac{3\sqrt{27a^{-9}}}{8}$ Options:
  A) $\frac{9a^2}{2a^3}$
  B) $\frac{3}{2a^3}$
  C) $\frac{2}{3a^2}$
  D) $\frac{3a^2}{2}$
  Show Answer
  The correct answer is B .
• Question 810: What is the different between 0.007685 correct to three significant figures and 0.007685 correct to four places of decimal? Options:
  A) 10^-5
  B) 7 x 10^-4
  C) 8 x 10^-5
  D) 10^-6
  Show Answer
  The correct answer is A .