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 301: If $\frac{(a^2{b}^{-3}c{)}^{\frac{3}{4}}}{a^{-1}{b}^4{c}^5}=a^p{b}^q{c}^r$ What is the value of p+2q? Options:
  A) (5/2)
  B) -(5/4)
  C) -(25/4)
  D) -10
  Show Answer
  The correct answer is D .
• Question 302:

  The chord ST of a circle is equal to the radius r of the circle. Find the length of arc ST

  Options:
  A) $\frac{\pi r}{3}$
  B) $\frac{\pi r}{2}$
  C) $\frac{\pi r}{12}$
  D) $\frac{\pi r}{6}$
  Show Answer
  The correct answer is A .
• Question 303: If x - 3 is directly proportional to the square of y and x = 5 when y =2, find x when y = 6. Options:
  A) 30
  B) 21
  C) 16
  D) 12
  Show Answer
  The correct answer is B .
• Question 304: If sine x equals cosine x, what is x in radians? Options:
  A) $\frac{\pi }{2}$
  B) $\frac{\pi }{3}$
  C) $\frac{\pi }{4}$
  D) $\frac{\pi }{6}$
  E) $\frac{\pi }{12}$
  Show Answer
  The correct answer is C .
• Question 305:

  $\begin{array}{cccccc}\text{Age in years}& 13& 14& 15& 16& 17\\ \text{No. of students}& 3& 10& 30& 42& 15\end{array}$

  The frequency distribution above shows the ages of students in a secondary school. In a pie chart constructed to represent the data, the angles corresponding to the 15 years old is

  Options:
  A) 27^o
  B) 30^o
  C) 54^o
  D) 108^o
  Show Answer
  The correct answer is D .
• Question 306:

  

  Find the length XZ in the triangle

  Options:
  A) $\sqrt{7m}$
  B) $\sqrt{6m}$
  C) $\sqrt{5m}$
  D) $\sqrt{3m}$
  Show Answer
  The correct answer is A .
• Question 307:

  If a fair coin is tossed twice, what is the probability of obtaining at least one head?

  Options:
  A) 0.25
  B) 0.75
  C) 0.5
  D) 0.33
  Show Answer
  The correct answer is B .
• Question 308:

  Find the equation of a straight line parallel to the line 2x - y = 5 and having intercept of 5

  Options:
  A) 2x + y = 5
  B) 2x + y = -5
  C) 2x - y = -5
  D) 2x - y = 5
  Show Answer
  The correct answer is C .
• Question 309:

  

  In the figure, FGHJ is a circle of radius 3cm centre O. FOH, GOJ are perpendicular diameters. With G as centre of an arc of a circle is drawn to pass through F and H. Find the length of the perimeter of the lunar portion shaded.

  Options:
  A) 3$\pi$$\sqrt{2-1}$cm
  B) $\frac{9}{2}$$\pi$cm
  C) 3 $\pi$(1 + $\frac{2}{2}$)
  D) 3(1 + $\frac{2}{2}$)
  Show Answer
  The correct answer is C .
• Question 310: Find the minimum value of y = x² - 2x - 3 Options:
  A) 4
  B) 1
  C) -1
  D) -4
  Show Answer
  The correct answer is D .