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: Factorize 1 - (a - b)² Options:
  A) (1 - a - b)(1 - a + b)
  B) (1 + a - b)(1 - a + b)
  C) (1 - a + b)(1 - a + b)
  D) (1 + a + b)(1 + a + b)
  Show Answer
  The correct answer is B .
• Question 1112:

  Evaluate without using tables sin(-1290${}^{\circ }$)

  Options:
  A) $\frac{3}{2}$
  B) -$\frac{3}{2}$
  C) $\frac{2}{2}$
  D) 1
  E) $\frac{1}{2}$
  Show Answer
  The correct answer is E .
• Question 1113:

  A wire was shaped to form a square of area 81cm². An equilateral triangle was formed by the same wire,What is the length of a side of the triangle formed?

  Options:
  A) 3cm
  B) 6cm
  C) 9cm
  D) 12cm
  E) 27cm
  Show Answer
  The correct answer is D .
• Question 1114:

  

  In the diagram above, PQ is parallel to RS. What is the value of α + β + γ?

  Options:
  A) 360${}^{\circ }$
  B) 200${}^{\circ }$
  C) 180${}^{\circ }$
  D) 90${}^{\circ }$
  Show Answer
  The correct answer is A .
• Question 1115:

  Given:

  U = {Even numbers between 0 and 30}

  P = {Multiples of 6 between 0 and 30}

  Q = {Multiples of 4 between 0 and 30}

  Find (P∪Q)^c

  Options:
  A) {2, 10, 14, 22, 26}
  B) {0, 10, 14, 22, 26}
  C) {2,4, 14, 18, 26}
  D) {0, 2, 6, 22, 26}
  Show Answer
  The correct answer is A .
• Question 1116:

  

  In the diagram, XZ is the diameter of a circle's radius $\frac{5}{2}$. If XY is 4cm, then the area of the triangle XYZ is

  Options:
  A) 12cm²
  B) 28$\frac{1}{2}$cm²
  C) 16cm²
  D) 10cm²
  E) 6cm²
  Show Answer
  The correct answer is E .
• Question 1117: Find the values of x which satisfy the equation 16^x - 5 x 4^x + 4 = 0 Options:
  A) 1 and 4
  B) -2 and 2
  C) 0 and 1
  D) -1 and 0
  Show Answer
  The correct answer is C .
• Question 1118: If $\frac{9^{2x-1}}{{27}^{x+1}}=1$find the value of x. Options:
  A) 8
  B) 5
  C) 3
  D) 2
  Show Answer
  The correct answer is B .
• Question 1119: Find the total surface area of solid cone of radius 2$\sqrt{3}$cm and slanting side 4$\sqrt{3}$ Options:
  A) 8$\sqrt{3}\pi$cm²
  B) 24$\pi$cm²
  C) 15$\sqrt{3}\pi$cm²
  D) 36$\pi$cm²
  Show Answer
  The correct answer is D .
• Question 1120: Evaluate 64.764² - 35.2362 correct to 3 significant figures Options:
  A) 2960
  B) 2950
  C) 2860
  D) 2850
  Show Answer
  The correct answer is B .