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 2411: Find x if (x_base4)² = 100100_base2 Options:
  A) 6
  B) 12
  C) 100
  D) 210
  E) 110
  Show Answer
  The correct answer is B .
• Question 2412: Evaluate ${\left(\frac{81}{16}\right)}^{\frac{-1}{4}}\times 2^{-1}$ Options:
  A) ¹/₃
  B) 3
  C) 6
  D) ¹/₆
  Show Answer
  The correct answer is A .
• Question 2413: If the scores of 3 students in a test are 5, 6 and 7, find the standard deviation of their scores Options:
  A) $\frac{2}{3}$
  B) $\frac{2}{3}\sqrt{3}$
  C) $\sqrt{\frac{2}{3}}$
  D) $\sqrt{\frac{3}{2}}$
  Show Answer
  The correct answer is C .
• Question 2414: Calculate the area of a parallelogram whose diagonals are of length 8cm and 12cm and intersect at an angle of 135° Options:
  A) 271.5cm²
  B) 135.8cm²
  C) 96.0cm²
  D) 48.0cm²
  E) 33.9cm²
  Show Answer
  The correct answer is E .
• Question 2415:

  If $-2x^3+6x^2+17x$ - 21 is divided by $(x+1)$, then the remainder is

  Options:
  A) 32
  B) 30
  C) -30
  D) -32
  Show Answer
  The correct answer is C .
• Question 2416: If n is the median and m is the mode of the following set of numbers, 2.4, 2.1, 1.6, 2.6, 2.6, 3.7, 2.1, 2.6, then (n, m) is Options:
  A) (2.6, 2.6)
  B) (2.5, 2.6)
  C) (2.6, 2.5)
  D) (2.5, 2.1)
  Show Answer
  The correct answer is B .
• Question 2417: By selling an article for ₦45.00 a man makes a profit of 80%. For how much should he have sold it in order to make a profit of 32%? Options:
  A) ₦180.00
  B) ₦59.00
  C) ₦63.00
  D) ₦58.00
  E) ₦55.00
  Show Answer
  The correct answer is E .
• Question 2418: If the sum of the 8th and 9th terms of an arithmetic progression is 72 and the 4th term is -6, find the common difference Options:
  A) 4
  B) 8
  C) 6$\frac{2}{3}$
  D) 9$\frac{1}{3}$
  Show Answer
  The correct answer is D .
• Question 2419: The chances of Usman and Dele passing a Mathematics test are 12 and 13 respectively. What is the probability that neither of them passes the test? Options:
  A) $\frac{3}{5}$
  B) $\frac{2}{5}$
  C) $\frac{4}{15}$
  D) $\frac{1}{5}$
  E) $\frac{2}{15}$
  Show Answer
  The correct answer is C .
• Question 2420: Evaluate ${\int }_1^2(6x^2-2x)dx$ Options:
  A) 16
  B) 13
  C) 12
  D) 11
  Show Answer
  The correct answer is D .