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 301: 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 302:

  Tade bought 200 mangoes at 4 for ₦2.50. 30 out of the mangoes got spoilt and the remaining were sold at 2 for ₦2.40. Find the percentage profit or loss.

  Options:
  A) 43.6% loss
  B) 35% profit
  C) 63.2% profit
  D) 28% loss
  Show Answer
  The correct answer is C .
• Question 303: 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 304:

  

  Find the square pf the mode

  Options:
  A) 49
  B) 121
  C) 25
  D) 64
  Show Answer
  The correct answer is B .
• Question 305:

  Simplify 81${}^{\frac{-3}{4}}$ x 25${}^{\frac{1}{2}}$ x 243${}^{\frac{2}{5}}$

  Options:
  A) $\frac{2}{5}$
  B) $\frac{3}{5}$
  C) $\frac{5}{2}$
  D) $\frac{5}{3}$
  Show Answer
  The correct answer is D .
• Question 306:

  

  In the diagram, QP//ST:PQR = 34${}^{\circ }$ QRS = 73${}^{\circ }$ and RS = RT. Find SRT

  Options:
  A) 68${}^{\circ }$
  B) 102${}^{\circ }$
  C) 107${}^{\circ }$
  D) 141${}^{\circ }$
  Show Answer
  The correct answer is C .
• Question 307: If a = 1, b = 3, solve for x in the equation $\frac{a}{a-x}$ = $\frac{b}{x-b}$ Options:
  A) $\frac{4}{3}$
  B) $\frac{2}{3}$
  C) $\frac{3}{2}$
  D) $\frac{3}{4}$
  Show Answer
  The correct answer is C .
• Question 308:

  

  From the figure, calculate TH in centimeters

  Options:
  A) $\frac{5}{\sqrt{3}+1}$
  B) $\frac{5}{\sqrt{3}-1}$
  C) $\frac{5}{\sqrt{3}}$
  D) $\frac{\sqrt{3}}{5}$
  Show Answer
  The correct answer is B .
• Question 309: A trader bought 100 oranges at 5 for N1.20, 20 oranges got spoilt and the remaining were sold at 4 for N1.50. Find the percentage gain or loss. Options:
  A) 30% gain
  B) 25% gain
  C) 30% loss
  D) 25% loss
  Show Answer
  The correct answer is B .
• Question 310:

  Find the equation of a line perpendicular to the line 4y = 7x + 3 which passes through (-3, 1)

  Options:
  A) 7y + 4x + 5 = 0
  B) 7y - 4x - 5 = 0
  C) 3y - 5x + 2 = 0
  D) 3y + 5x - 2 = 0
  Show Answer
  The correct answer is A .