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 1811: If x + $\frac{1}{x}$ = 4, find x² + $\frac{1}{x^2}$ Options:
  A) 16
  B) 14
  C) 12
  D) 9
  Show Answer
  The correct answer is B .
• Question 1812: Evaluate ${\int }_1^2(x^2-4x)dx$ Options:
  A) $\frac{11}{3}$
  B) $\frac{3}{11}$
  C) $-\frac{3}{11}$
  D) $-\frac{11}{3}$
  Show Answer
  The correct answer is D .
• Question 1813: Multiply (x² - 3x + 1) by (x - a) Options:
  A) x³ - (3 + a) x² + (1 + 3a)x - a
  B) x³ - (3 - a)x² + 3ax - a
  C) x³ - (3 - a)x² - (1 = 3a) - a
  D) x³ + (3 - a)x² + (1 + 3a) - a
  Show Answer
  The correct answer is A .
• Question 1814: Evaluate $\int$ sec²$\theta$ d $\theta$ Options:
  A) sec$\theta$ tan$\theta$ + k
  B) tan$\theta$ + k
  C) 2 sec$\theta$ + k
  D) sec$\theta$ + k
  Show Answer
  The correct answer is B .
• Question 1815: Calculate the time taken for ₦3000 to earn ₦600 if invested at 8% simple interest Options:
  A) 2$\frac{1}{2}$ years
  B) 3 years
  C) 3$\frac{1}{2}$ years
  D) 1$\frac{1}{2}$ years
  Show Answer
  The correct answer is A .
• Question 1816: A chord of a circle subtends an angle of 60${}^{\circ }$ at the length of a circle of radius 14 cm. Find the length of the chord Options:
  A) 7 cm
  B) 14 cm
  C) 21 cm
  D) 28 cm
  Show Answer
  The correct answer is B .
• Question 1817:

  Find the value of x if $\frac{\sqrt{2}}{x+\sqrt{2}}$ = $\frac{1}{x-\sqrt{2}}$

  Options:
  A) 3$\sqrt{2}$ + 4
  B) 3$\sqrt{2}$ - 4
  C) 3 - 2$\sqrt{2}$
  D) 4 + 2$\sqrt{2}$
  Show Answer
  The correct answer is A .
• Question 1818: If P = {1,2,3,4,5} and P $\cup$ Q = {1,2,3,4,5,6,7}, list the elements in Q Options:
  A) {6}
  B) {7}
  C) {6,7}
  D) {5,6}
  Show Answer
  The correct answer is C .
• Question 1819:

  If (x - a) is a factor of bx - ax + x², find the other factor.

  Options:
  A) (x + b)
  B) (x - b)
  C) (a + b)
  D) (a - b)
  Show Answer
  The correct answer is A .
• Question 1820:

  

  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 .