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 1801:

  A sum of money was invested at 8% per annum simple interest. If after 4 years the money amounts to ₦330.00. Find the amount originally invested

  Options:
  A) ₦180.00
  B) ₦165.00
  C) ₦150.00
  D) ₦250.00
  E) ₦200.00
  Show Answer
  The correct answer is D .
• Question 1802:

  Find T in terms of K, Q and S if S = 2r($\pi$QT + K)

  Options:
  A) $\frac{S^2}{2\pi r^{2}Q}-\frac{k}{Q}$
  B) $\frac{S^2}{4\pi r^{2}Q}$ - k
  C) $\frac{S^2}{4\pi r^{2}Q}-\frac{k}{Q}$
  D) $\frac{s^2}{4\pi r^{2}Q}$
  Show Answer
  The correct answer is B .
• Question 1803: A number is chosen at random from 10 to 30 both inclusive. What is the probability that the number is divisible by 3? Options:
  A) $\frac{2}{15}$
  B) $\frac{1}{10}$
  C) $\frac{1}{3}$
  D) $\frac{2}{5}$
  Show Answer
  The correct answer is C .
• Question 1804: If the interest on N150.00 for 2¹/₂ years is N4.50, find the interest on N250.00 for 6 months at the same rate Options:
  A) N1.50
  B) N7.50
  C) N15.00
  D) N18.00
  Show Answer
  The correct answer is A .
• Question 1805: If $\frac{1+\sqrt{2}}{1-\sqrt{2}}$ is expressed in the form of x+y√2 find the values of x and y Options:
  A) (-3, -2)
  B) (-2, 3)
  C) (3,2)
  D) (2,-3)
  Show Answer
  The correct answer is A .
• Question 1806:

  The ratio of the length of two similar rectangular blocks is 2 : 3. If the volume of the larger block is 351cm${}^3$, then the volume of the other block is?

  Options:
  A) 234.00 cm³
  B) 526.50 cm³
  C) 166.00 cm³
  D) 687cm³
  Show Answer
  The correct answer is A .
• Question 1807: Four interior angles of a pentagon are 90^o - x^o, 90^o + x^o, 110^o - 2x^o, 110^o + 2x^o. Find the fifth interior angle Options:
  A) 110^o
  B) 120^o
  C) 130^o
  D) 140^o
  Show Answer
  The correct answer is D .
• Question 1808:

  

  Determine the value of x in the figure.

  Options:
  A) 134${}^{\circ }$
  B) 81${}^{\circ }$
  C) 53${}^{\circ }$
  D) 46${}^{\circ }$
  Show Answer
  The correct answer is A .
• Question 1809: The sum of four numbers is 1214₅. What is the average expressed in base five? Options:
  A) 114
  B) 141
  C) 401
  D) 411
  Show Answer
  The correct answer is B .
• Question 1810:

  factorize m${}^3$ - m${}^2$ + 2m - 2

  Options:
  A) (m² + 1)(m - 2)
  B) (m - 1)(m + 1)(m + 2)
  C) (m - 2)(m + 1)(m - 1)
  D) (m² + 2)(m - 1)
  Show Answer
  The correct answer is D .