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 1421: 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 1422: If y = x² - x - 12, find the range of values of x for which y $\ge$ 0
  Options:
  A) x < -3 0r x > 4
  B) x $\le$ -3 or x $\ge$ 4
  C) -3 < x $\ge$ 4
  D) -3 $\le$ x $\le$ 4
  Show Answer
  The correct answer is C .
• Question 1423: A sector of angle 120° is cut out from a circle of radius 13.5cm. what area of the circle is remaining ? (π = $\frac{22}{7}$) Options:
  A) 14.1cm²
  B) 95.5cm²
  C) 190.9cm²
  D) 381.9cm²
  E) 763.7cm²
  Show Answer
  The correct answer is D .
• Question 1424: Evaluate ${\int }_2^1$(3 - 2x)dx Options:
  A) 33m
  B) 5
  C) 2
  D) 6
  Show Answer
  The correct answer is C .
• Question 1425:

  What is the loci of a distance 4cm from a given point P?

  Options:
  A) A straight line of length 4cm
  B) a circle of radius 4cm
  C) perpendicular to point P at 4cm
  D) a circle of diameter 4cm
  Show Answer
  The correct answer is B .
• Question 1426: Find the value of x for which 2(3^{2x - 1}) = 162 Options:
  A) $\frac{3}{2}$
  B) $\frac{1}{2}$
  C) $\frac{5}{2}$
  D) $\frac{2}{5}$
  Show Answer
  The correct answer is C .
• Question 1427: Find correct to two decimals places 100 + $\frac{1}{100}$ + $\frac{3}{1000}$ + $\frac{27}{10000}$ Options:
  A) 100.02
  B) 1000.02
  C) 100.22
  D) 100.01
  E) 100.51
  Show Answer
  The correct answer is A .
• Question 1428: Solve 5^{2(x - 1)} x 5^{x + 1} = 0.04 Options:
  A) $\frac{1}{3}$
  B) $\frac{1}{4}$
  C) -$\frac{1}{5}$
  D) -$\frac{1}{3}$
  Show Answer
  The correct answer is D .
• Question 1429: W ∝ L² and W = 6 when L = 4. If L = √17 find W Options:
  A) 6⁷/₈
  B) 6⁵/₈
  C) 6³/₈
  D) 6¹/₈
  Show Answer
  The correct answer is C .
• Question 1430: Simplify $\frac{3\frac{2}{3}\times \frac{5}{6}\times \frac{2}{3}}{\frac{11}{15}\times \frac{3}{4}\times \frac{2}{27}}$ Options:
  A) $5\frac{2}{3}$
  B) 30
  C) $4\frac{1}{3}$
  D) 50
  Show Answer
  The correct answer is D .