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 1341: Find the value of k if y - 1 is a factor of y³ + 4y² + ky - 6 Options:
  A) -6
  B) -4
  C) O
  D) 1
  Show Answer
  The correct answer is D .
• Question 1342: Factorize completely $\frac{x^3+3x^2-10x}{2x^2-8}$ Options:
  A) $\frac{x(x-5)}{2(x+2)}$
  B) $\frac{x(x+5)}{2(x+2)}$
  C) $\frac{x(x-5)}{2(x-2)}$
  D) $\frac{x^2+5}{2x+4}$
  Show Answer
  The correct answer is B .
• Question 1343: Find y, if $\sqrt{12}-\sqrt{147}+y\sqrt{3}=0$ Options:
  A) 5
  B) 1
  C) 7
  D) 3
  Show Answer
  The correct answer is A .
• Question 1344: Solve the system of equations: $2^{x+y}=32,3^{3y-x}=27$ Options:
  A) (3, 2)
  B) (-3, 2)
  C) (3, -2)
  D) (-3, -2)
  E) (2, 2)
  Show Answer
  The correct answer is A .
• Question 1345: If the hypotenuse of right angled isosceles triangle is 2, what is the length of each of the other sides? Options:
  A) $\sqrt{2}$
  B) $\frac{1}{2}$
  C) 22
  D) 1
  E) 2 - 1
  Show Answer
  The correct answer is A .
• Question 1346: Find the sum to infinity of the series
  $\frac{1}{4}$, $\frac{1}{8}$, $\frac{1}{16}$,.......... Options:
  A) $\frac{1}{2}$
  B) $\frac{3}{5}$
  C) $\frac{-1}{5}$
  D) $\frac{73}{12}$
  Show Answer
  The correct answer is A .
• Question 1347:

  

  In the figure, If PT is parallel to RS, PQ = PT, and angle SQT = 90${}^{\circ }$, find x.

  Options:
  A) 35${}^{\circ }$
  B) 50${}^{\circ }$
  C) 55${}^{\circ }$
  D) 70${}^{\circ }$
  E) 80${}^{\circ }$
  Show Answer
  The correct answer is D .
• Question 1348:

  Simplify $\frac{3}{5}$ $÷$ ($\frac{2}{7}$ x $\frac{4}{3}$ $÷$ $\frac{4}{9}$)

  Options:
  A) $\frac{6}{7}$
  B) $\frac{4}{5}$
  C) $\frac{7}{10}$
  D) $\frac{21}{6}$
  Show Answer
  The correct answer is C .
• Question 1349: Rationalize $\frac{2-\sqrt{5}}{3-\sqrt{5}}$ Options:
  A) $\frac{1-\sqrt{5}}{2}$
  B) $\frac{1-\sqrt{5}}{4}$
  C) $\frac{\sqrt{5}-1}{2}$
  D) $\frac{1+\sqrt{5}}{4}$
  Show Answer
  The correct answer is B .
• Question 1350: If a u² - 3v² and b = 2uv + v² evaluate (2a - b)(a - b²), when u = 1 and v = -1 Options:
  A) 9
  B) 15
  C) 27
  D) 33
  Show Answer
  The correct answer is A .