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 1421: For what range of values of x is $\frac{1}{2}$x + $\frac{1}{4}$ > $\frac{1}{3}$x + $\frac{1}{2}$?
  Options:
  A) x < $\frac{3}{2}$
  B) x > $\frac{3}{2}$
  C) x < -$\frac{3}{2}$
  D) x > -$\frac{3}{2}$
  Show Answer
  The correct answer is B .
• Question 1422: The weights of 30 new-born babies are given as follows: 6, 9, 5, 7, 6, 7, 5, 8, 9, 5, 7, 5, 8, 7, 8, 7, 5, 6, 5, 7, 6, 9, 9, 7, 8, 8, 7, 8, 9, 8. The mode is Options:
  A) 6
  B) 5
  C) 8
  D) 7
  E) 10
  Show Answer
  The correct answer is D .
• Question 1423:

  

  What is the volume of this regular three dimensional figure?

  Options:
  A) 160cm²
  B) 48cm²
  C) 120cm²
  D) 40cm²
  Show Answer
  The correct answer is B .
• Question 1424:

  

  The table above shows the distribution of recharge cards of four major GSM operators. What is the probability that a recharge card selected at random will be GTN or Qtel?

  Options:
  A) 3/20
  B) 1/4
  C) 2/5
  D) 3/4
  Show Answer
  The correct answer is C .
• Question 1425:

  

  The figure below is a Venn diagram showing the elements arranged within sets A, B, C, $ϵ$.

  Use the figure to answer this question

  What is n(A U B)^c ?

  Options:
  A) 2
  B) 3
  C) 4
  D) 7
  Show Answer
  The correct answer is C .
• Question 1426: The mean of 2-t, 4+t, 3-2t, 2+t and t-1 is Options:
  A) 2
  B) t
  C) -t
  D) -2
  Show Answer
  The correct answer is A .
• Question 1427: Simplify $\sqrt{\frac{(0.0023\ast 750)}{(0.00345\ast 1.25)}}$ Options:
  A) 15
  B) 20
  C) 40
  D) 75
  Show Answer
  The correct answer is B .
• Question 1428:

  

  The diagram above is a circle with centre C. P, Q and S are points on the circumference. PS and SR are tangents to the circle. ∠PSR = 36${}^{\circ }$. Find ∠PQR

  Options:
  A) 72${}^{\circ }$
  B) 36${}^{\circ }$
  C) 144${}^{\circ }$
  D) 54${}^{\circ }$
  Show Answer
  The correct answer is A .
• Question 1429: x varies directly as y and inversely as z. when x = 5, y = 2 and z = 1. What is the value of x when y = 5 and z = 2? Options:
  A) 2.5
  B) 5
  C) 6.25
  D) 6.52
  E) 7.5
  Show Answer
  The correct answer is C .
• Question 1430: If 2x² - kx - 12 is divisible by x-4, Find the value of k. Options:
  A) 4
  B) 5
  C) 6
  D) 7
  Show Answer
  The correct answer is B .