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 2761: Find the mean deviation of 1, 2, 3 and 4. Options:
  A) 2.5
  B) 2.0
  C) 1.0
  D) 1.5
  E) 1.2
  Show Answer
  The correct answer is C .
• Question 2762: If $x–1$ and $x+1$ are both factors of the equation $x^3+p{x}^2+qx+6=0$, evaluate $p$ and $q$ Options:
  A) 6, -1
  B) 6, 1
  C) 1, -1
  D) 6, -6
  E) -6, -1
  Show Answer
  The correct answer is E .
• Question 2763: Simplify $\sqrt{\frac{(0.0023\ast 750)}{(0.00345\ast 1.25)}}$ Options:
  A) 15
  B) 20
  C) 40
  D) 75
  Show Answer
  The correct answer is B .
• Question 2764:

  ⊗	k	l	m
  k	l	m	k
  l	m	k	l
  m	k	l	m

  The identity element with respect to the multiplication shown in the table above is

  Options:
  A) o
  B) m
  C) l
  D) k
  Show Answer
  The correct answer is B .
• Question 2765: The n^th term of the progression $\frac{4}{2}$, $\frac{7}{3}$, $\frac{10}{4}$, $\frac{13}{5}$ is ... Options:
  A) $\frac{1-3n}{n+1}$
  B) $\frac{3n+1}{n+1}$
  C) $\frac{3n+1}{n-1}$
  D) $\frac{3n-1}{n+1}$
  Show Answer
  The correct answer is B .
• Question 2766:

  Give the number of significant figures of the population of a town which has approximately 5,020,700 people

  Options:
  A) 7 significant figures
  B) 3 significant figures
  C) 4 significant figures
  D) 5 significant figures
  Show Answer
  The correct answer is D .
• Question 2767:

  If X = {all the perfect squares less than 40}

  Y = {all the odd numbers fro, 1 to 15}. Find X ∩ Y.

  Options:
  A) {3, 9}
  B) {9}
  C) {9, 25}
  D) {1, 9}
  Show Answer
  The correct answer is D .
• Question 2768: The currency used in a country is called 'Matimalik'(M) and is of base seven. A lady in that country bought 4 bags of rice at M56 per bag and and 3 tins of milk at M4 per tin. What is the total cost of the item she bought? Options:
  A) M246₇
  B) M242₇
  C) M236₇
  D) M341₇
  E) M338₇
  Show Answer
  The correct answer is C .
• Question 2769: Simplify ($\frac{1}{x^{-1}}+\frac{1}{y^{-1}}$)^-1 Options:
  A) $\frac{x}{y}$
  B) xy
  C) $\frac{x}{y}$
  D) (xy)^-1
  Show Answer
  The correct answer is C .
• Question 2770: Simplify 16$\frac{1}{2}$ x 4$\frac{1}{2}$ x 27$\frac{1}{3}$ Options:
  A) $\frac{3}{8}$
  B) $\frac{2}{3}$
  C) $\frac{3}{4}$
  D) $\frac{3}{2}$
  Show Answer
  The correct answer is A .