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 2461: The mean of the ages of ten secondary school pupils is 16 but when the age of their teacher is added to it the men becomes 19. Find the age of the teacher Options:
  A) 27
  B) 35
  C) 38
  D) 49
  Show Answer
  The correct answer is D .
• Question 2462: Solve for x: |x - 2| < 3. Options:
  A) x < 5
  B) -2 < x < 3
  C) -1 < x < 5
  D) x < 1
  Show Answer
  The correct answer is C .
• Question 2463:

  A bottle of malt costs three times as much as a bottle of Mirinda. If 5 bottles of malt and 4 bottles of Mirinda cost N380.00 altogether, how much does a bottle of malt cost?

  Options:
  A) N90.00
  B) N80.00
  C) N60.00
  D) N40.00
  E) N20.00
  Show Answer
  The correct answer is C .
• Question 2464: In an acute angle-triangle XYZ, XZ = 9cm, YZ = 11cm and ∠XZY = 35° Calculate ∠YXZ, correct to the nearest degree. Options:
  A) 57°
  B) 45°
  C) 33°
  D) 16°
  E) 89°
  Show Answer
  The correct answer is E .
• Question 2465: The factors of 6x - 5 - x² are Options:
  A) -(x + 3)(x + 2)
  B) (x + 5)(x + 1)
  C) (x - 5)(1 - x)
  D) (x + 5)(x + 50
  Show Answer
  The correct answer is C .
• Question 2466: The solution to the quadratic equation 5 + 3x - 2x² = 0 is Options:
  A) ($\frac{5}{2}$, 1)
  B) (5, 3)
  C) -($\frac{5}{2}$, -1)
  D) ($\frac{5}{2}$, -1)
  Show Answer
  The correct answer is D .
• Question 2467: Find the angle subtended at the centre of a circle by a chord which is equal in length to the radius of the circle Options:
  A) 30^o
  B) 45^o
  C) 60^o
  D) 90^o
  Show Answer
  The correct answer is C .
• Question 2468: 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 2469: In proving the congruence of two triangles, which of the following is not important? Options:
  A) two sides and the included angles
  B) two angles and a side
  C) three sides
  D) three angles
  E) right angle, hypotenuse and another side
  Show Answer
  The correct answer is B .
• Question 2470: If y = x cosx, find $\frac{dy}{dx}$. Options:
  A) cos x - x sinx
  B) sinx - x cosx
  C) sin x + x cosx
  D) cosx + x sin x
  Show Answer
  The correct answer is A .