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 1111: Simplify $\frac{x+2}{x+1}$ - $\frac{x-2}{x+2}$ Options:
  A) $\frac{3}{x+1}$
  B) $\frac{3x+2}{(x+1)(x+2)}$
  C) $\frac{5x+6}{(x+1)(x+2)}$
  D) $\frac{2x^2+5x+2}{(x+1)(x+2)}$
  Show Answer
  The correct answer is C .
• Question 1112:

  

  In the diagram, O is the centre of the circle. If SOQ is a diameter and < PRS is 38${}^{\circ }$, what is the value of < PSQ

  Options:
  A) 148${}^{\circ }$
  B) 104${}^{\circ }$
  C) 80${}^{\circ }$
  D) 52${}^{\circ }$
  Show Answer
  The correct answer is D .
• Question 1113:
  

  Find the volume of the cylinder above
  [Take $\pi {=}^{22}{/}_7$]

  Options:
  A) 9,856 cm${}^3$
  B) 14,784 cm${}^3$
  C) 4,928 cm${}^3$
  D) 19,712 cm${}^3$
  Show Answer
  The correct answer is B .
• Question 1114: If 2log₃ y + log₃ x² = 4, then y is Options:
  A) 4 - log₃
  B) $\frac{4}{lo{g}_{3}x}$
  C) $\frac{4}{x}$
  D) $\pm$ $\frac{9}{x}$
  Show Answer
  The correct answer is D .
• Question 1115:

  

  The shaded area in the diagram above is represented by

  Options:
  A) {(x, y) : y + 3x < 6}
  B) {(x , y) : y + 3x < -6}
  C) {(x, y) : y - 3x < 6}
  D) {(x, y) : y - 3x < 6}
  E) {x, y) : y - 3x < -6}
  Show Answer
  The correct answer is A .
• Question 1116: In $△$PQR, PQ = 10cm, QR = 8cm and RP = 6cm, the perpendicular RS is drawn from R to PQ. Find the length of RS Options:
  A) 4cm
  B) 32cm
  C) $\frac{30}{7}$
  D) $\frac{40}{7}$
  E) 4.8cm
  Show Answer
  The correct answer is E .
• Question 1117:

  

  Find x in the diagram below.

  Options:
  A) 3$\sqrt{3}$
  B) $\frac{3(\sqrt{3}-1)}{\sqrt{3}+1}$
  C) $\frac{(\sqrt{3}-1)}{\sqrt{3}+1}$
  D) $\frac{3-1}{\sqrt{3}+1}$
  Show Answer
  The correct answer is B .
• Question 1118: The nth term of a sequence is given 3^{1 - n} , find the sum of the first terms of the sequence. Options:
  A) $\frac{13}{9}$
  B) 1
  C) $\frac{1}{3}$
  D) $\frac{1}{9}$
  Show Answer
  The correct answer is A .
• Question 1119: Find the positive value of x if the standard deviation of the numbers 1, x + 1 is 6 Options:
  A) 1
  B) 2
  C) 3
  D) 4
  Show Answer
  The correct answer is C .
• Question 1120: The factors of 9 - (x² - 3x - 1)² are Options:
  A) -(x - 4)(x + 1) (x - 1)(x - 2)
  B) (x - 4)(x - 2) (x - 1)(x + 1)
  C) -(x - 2)(x + 1) (x - 2) (x - 1)
  D) (x - 2)(x + 2) (x - 1)(x + 1)
  Show Answer
  The correct answer is A .