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 1011: Solve for r in the following equation $\frac{1}{r-1}$ + $\frac{2}{r+1}$ = $\frac{3}{r}$ Options:
  A) 3
  B) 4
  C) 5
  D) 6
  Show Answer
  The correct answer is A .
• Question 1012: A man 40 m from the foot of a tower observes the angle of elevation of the tower to be 30${}^{\circ }$. Determine the height of the tower. Options:
  A) $\frac{40\sqrt{3}}{3}m$
  B) 20 m
  C) 40√3 m
  D) 40 m
  Show Answer
  The correct answer is A .
• Question 1013:

  A student pilot was required to fly to an airport and then return as part of his flight training. The average speed to the airport was 120 km/h, and the average speed returning was 150 km/h. If the total flight time was 3 hours, calculate the distance between the two airports.

  Options:
  A) 270 km
  B) 200 km
  C) 360 km
  D) 450 km
  Show Answer
  The correct answer is B .
• Question 1014: Find the values of x for which the expression $\frac{(x-3)(x-2)}{x^2+x-2}$ Options:
  A) 1, -2
  B) -1, 2
  C) 2, 3
  D) -1. -2
  E) -2, -3
  Show Answer
  The correct answer is A .
• Question 1015: Each of the interior angles of a regular polygon is 140^o. How many sides has the polygon? Options:
  A) 9
  B) 8
  C) 7
  D) 5
  Show Answer
  The correct answer is A .
• Question 1016:

  

  The triangle PQR above is

  Options:
  A) an obtuse-angled triangle
  B) a scalene triangle
  C) an isosceles triangle
  D) an equilateral triangle
  Show Answer
  The correct answer is C .
• Question 1017: What is the size of an exterior angle of a regular pentagon? Options:
  A) 36^o
  B) 60^o
  C) 72^o
  D) 120^o
  E) 360^o
  Show Answer
  The correct answer is C .
• Question 1018: Multiply (3x + 5y + 4z) by (2x - 3y + z) Options:
  A) 6x² + xy - 15y² + 4z² + 11xz - 7yz
  B) 6x² + 3xy - 15y² + 4z²
  C) 6x² + 3xy - y² + 4z²
  D) 6x² + 3xy - 15y + z²
  Show Answer
  The correct answer is A .
• Question 1019:

  An equilateral triangle of side √3cm is inscribed in a circle. Find the radius of the circle.

  Options:
  A) 2/3 cm
  B) 2 cm
  C) 1 cm
  D) 3 cm
  Show Answer
  The correct answer is C .
• Question 1020: If P is a set of all prime factors of 30 and Q is a set of all factors of 18 less than 10, find P $\cap$ Q Options:
  A) {3}
  B) {2,3}
  C) {2,3,5}
  D) {1,2}
  Show Answer
  The correct answer is B .