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 1361: If the angles of quadrilateral are (P + 10)^o(2P - 30)^o(3P + 20)^o and 4p^o, find p Options:
  A) 63
  B) 40
  C) 36
  D) 28
  Show Answer
  The correct answer is C .
• Question 1362: A student spent ¹/₅of his allowance on books, ¹/₂ of remainder on food and kept the rest for contingencies. What fraction was kept? Options:
  A) ⁷/₁₅
  B) ⁸/₁₅
  C) ²/₅
  D) ⁴/₅
  Show Answer
  The correct answer is C .
• Question 1363: Three consecutive terms of a geometric progression are given as n-2, n and n=3. Find the common ratio Options:
  A) 1/4
  B) 1/2
  C) 2/3
  D) 3/2
  Show Answer
  The correct answer is D .
• Question 1364: The three sides of an isosceles triangle are length of lengths (x + 3), (2x + 3), (2x - 3) respectively. Calculate x. Options:
  A) 5
  B) 1
  C) 3
  D) 6
  Show Answer
  The correct answer is D .
• Question 1365: The volume of a cone (s) of height 6cm and base radius 5cm is Options:
  A) 157cm³
  B) 155cm³
  C) 175cm³
  D) 145cm³
  Show Answer
  The correct answer is A .
• Question 1366: The solution of the quadratic equation px² + qx + b = 0 is Options:
  A) $\sqrt{\frac{-b\pm b^2-4ac}{2a}}$
  B) $\frac{-b\pm \sqrt{p^2-4pb}}{2a}$
  C) $\frac{-q\pm \sqrt{q^2-4bp}}{2p}$
  D) $\frac{-q\pm \sqrt{p^2-4bp}}{2p}$
  Show Answer
  The correct answer is C .
• Question 1367:

  

  In the diagram, PR is a diameter of the circle PQRS. PST and QRT are straight lines. Find QRS

  Options:
  A) 20${}^{\circ }$
  B) 25${}^{\circ }$
  C) 30${}^{\circ }$
  D) 35${}^{\circ }$
  Show Answer
  The correct answer is B .
• Question 1368: If two dice are thrown together, what is the probability of obtaining at least a score of 10? Options:
  A) $\frac{1}{6}$
  B) $\frac{1}{12}$
  C) $\frac{5}{6}$
  D) $\frac{11}{12}$
  Show Answer
  The correct answer is A .
• Question 1369:

  The probability of an event A is 1/5. The probability of B is 1/3 . The probability both A and B is 1/15. What is the probability of either event A or B or both?

  Options:
  A) $\frac{2}{15}$
  B) $\frac{3}{4}$
  C) $\frac{7}{15}$
  D) $\frac{1}{15}$
  Show Answer
  The correct answer is C .
• Question 1370:

  A man's initial salary is ₦540.00 a month and increases after each period of six months by ₦36.00 a month. Find his salary in the eight month of the third year.

  Options:
  A) ₦828.00
  B) ₦756.00
  C) ₦720.00
  D) ₦684.00
  Show Answer
  The correct answer is C .