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 2241: x varies directly as y and inversely as z. when x = 5, y = 2 and z = 1. What is the value of x when y = 5 and z = 2? Options:
  A) 2.5
  B) 5
  C) 6.25
  D) 6.52
  E) 7.5
  Show Answer
  The correct answer is C .
• Question 2242: 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 2243:

  The interior angle of a regular polygon is five times the size of its exterior angle. Identify the polygon.

  Options:
  A) dodecagon
  B) enneadecagon
  C) icosagon
  D) hendecagon
  Show Answer
  The correct answer is A .
• Question 2244: Without using table, calculate the value of 1 + sec² 30^o Options:
  A) 2$\frac{1}{3}$
  B) $\frac{2}{15}$
  C) $\frac{5}{3}$
  D) 3$\frac{1}{2}$
  Show Answer
  The correct answer is A .
• Question 2245: A chord of a circle of a diameter 42cm subtends an angle of 60^o at the centre of the circle. Find the length of the mirror arc Options:
  A) 22cm
  B) 44cm
  C) 110cm
  D) 220cm
  Show Answer
  The correct answer is A .
• Question 2246:

  Find the equation of straight line passing through (2, 3) and perpendicular to the line $3x+2y+4=0$

  Options:
  A) 3y = 5x - 2
  B) y = $\frac{5}{3}\times -2$
  C) None of these
  D) 3y = 2x + 5
  Show Answer
  The correct answer is D .
• Question 2247: Factorize completely 9y² - 16X² Options:
  A) (3y - 2x)(3y + 4x)
  B) (3y + 4x)(3y + 4x)
  C) (3y + 2x)(3y - 4x)
  D) (3y - 4x)(3y + 4x)
  Show Answer
  The correct answer is D .
• Question 2248: Simplify $\frac{1}{p}$ - $\frac{1}{q}$ + $\frac{p}{q}$ - $\frac{q}{p}$ Options:
  A) $\frac{1}{p-q}$
  B) $\frac{-1}{p+q}$
  C) $\frac{1}{pq}$
  D) $\frac{1}{pq(p-q)}$
  Show Answer
  The correct answer is B .
• Question 2249:

  Solve the following quadratic inequality: $x^2-x$ - 4 ≤ 2

  Options:
  A) $-3<x<2$
  B) $-2\le x\le 3$
  C) $x\le -2,x\le 3$
  D) $-2<x<3$
  Show Answer
  The correct answer is B .
• Question 2250: 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 .