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 161: Simplify $\sqrt{6a}\times \sqrt{576a^6}$ Options:
  A) ± 16a2
  B) ± 16a
  C) ± 14a2
  D) ± 12a2
  E) ± 12a
  Show Answer
  The correct answer is D .
• Question 162: Find the number of committees of three that can be formed consisting of two men and one woman from four men and three women Options:
  A) 3
  B) 6
  C) 18
  D) 24
  Show Answer
  The correct answer is C .
• Question 163: A sector of angle 120° is cut out from a circle of radius 13.5cm. what area of the circle is remaining ? (π = $\frac{22}{7}$) Options:
  A) 14.1cm²
  B) 95.5cm²
  C) 190.9cm²
  D) 381.9cm²
  E) 763.7cm²
  Show Answer
  The correct answer is D .
• Question 164: Simplify $\frac{1}{5x+5}$ + $\frac{1}{7x+7}$ Options:
  A) $\frac{12}{35x+1}$
  B) $\frac{1}{35(x+1)}$
  C) $\frac{12x}{35(x+7)}$
  D) $\frac{12}{35x+35}$
  Show Answer
  The correct answer is A .
• Question 165: The chances of Usman and Dele passing a Mathematics test are 12 and 13 respectively. What is the probability that neither of them passes the test? Options:
  A) $\frac{3}{5}$
  B) $\frac{2}{5}$
  C) $\frac{4}{15}$
  D) $\frac{1}{5}$
  E) $\frac{2}{15}$
  Show Answer
  The correct answer is C .
• Question 166: $\frac{0.0001432}{1940000}$ = k x 10ⁿ where 1 $\le$ k < 10 and n is a whole number. The values K and n are Options:
  A) 7.381 qnd -11
  B) 2.34 and 10
  C) 3.871 and 2
  D) 7.831 and -11
  Show Answer
  The correct answer is A .
• Question 167: If x + $\frac{1}{x}$ = 4, find x² + $\frac{1}{x^2}$ Options:
  A) 16
  B) 14
  C) 12
  D) 9
  Show Answer
  The correct answer is B .
• Question 168: Find the area of the curved surface of a cone whose base radius is 3cm and whose height is 4cm (π = 3.14) Options:
  A) 17.1cm²
  B) 27.2cm²
  C) 47.1cm²
  D) 37.3cm²
  Show Answer
  The correct answer is C .
• Question 169:

  Which of the following properties is/are common to parallelograms and rectangles?

  I. all angles are right angles

  II. the diagonals are equals.

  III. the opposite sides are equal and parallel.

  Options:
  A) I and II
  B) I and III
  C) II and III
  D) I
  E) III
  Show Answer
  The correct answer is E .
• Question 170:

  If (x - a) is a factor of bx - ax + x², find the other factor.

  Options:
  A) (x + b)
  B) (x - b)
  C) (a + b)
  D) (a - b)
  Show Answer
  The correct answer is A .