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 1481: If the operation * on the set of integers is defined by p * Q = $\sqrt{pq}$, find the value of 4 * ( 8 * 32). Options:
  A) 8
  B) 3
  C) 16
  D) 4
  Show Answer
  The correct answer is A .
• Question 1482:

  

  If O is the centre of the circle in the figure, find the value of x

  Options:
  A) 50
  B) 260
  C) 100
  D) 65
  E) 130
  Show Answer
  The correct answer is C .
• Question 1483:

  Given that the various faces of a fair dice 1, 2, 3, 4, 5, 6 appeared 30, 43, 54, 40, 41, 32 times respectively in a single toss. Picture the figures as being represented in a simple table with number (X) against frequency (f).

  If a pie chart is used to depict the data, the angle corresponding to 4 is?

  Options:
  A) 10°
  B) 16°
  C) 40°
  D) 60°
  Show Answer
  The correct answer is D .
• Question 1484: If $\frac{a}{c}$ = $\frac{c}{d}$ = k, find the value of $\frac{3a^2-ac+c^2}{3b^2-bd+d^2}$ Options:
  A) 3k²
  B) 2k - k²
  C) $\frac{3b^2{k}^2-b{k}^{2}d+d{k}^2}{3b^2-bd+d^2}$
  D) k²
  Show Answer
  The correct answer is C .
• Question 1485: 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 .
• Question 1486:

  

  In the diagram MN, PQ and RS are parallel lines. What is the value of the angle marked X?

  Options:
  A) 123^o
  B) 170^o
  C) 117^o
  D) 137^o
  Show Answer
  The correct answer is C .
• Question 1487: A man invested ₦5,000 for 9 months at 4%. What is the simple interest? Options:
  A) ₦150
  B) ₦220
  C) ₦130
  D) ₦250
  Show Answer
  The correct answer is A .
• Question 1488: A man with an annual salary of ₦2000, has allowances of ₦600. If Income Tax is 5%, how much tax does he pay each year? Options:
  A) 15
  B) 20
  C) 30
  D) 25
  Show Answer
  The correct answer is C .
• Question 1489:

  The slope of the tangent to the curve y = 3x² - 2x + 5 at the point (1, 6) is

  Options:
  A) 4
  B) 1
  C) 6
  D) 5
  Show Answer
  The correct answer is A .
• Question 1490: Simplify $\frac{5+\sqrt{7}}{3+\sqrt{7}}$ Options:
  A) 17 - $\sqrt{7}$
  B) 4 - $\sqrt{7}$
  C) 15 - $\sqrt{7}$
  D) 7 - $\sqrt{7}$
  Show Answer
  The correct answer is B .