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 181:

  Calculate the area of an equilateral triangle of side 8cm

  Options:
  A) 8√3
  B) 16
  C) 4√3
  D) 16√3
  Show Answer
  The correct answer is D .
• Question 182: Simplify $\frac{2\sqrt{2}-\sqrt{3}}{\sqrt{2}+\sqrt{3}}$ Options:
  A) 3$\sqrt{6}-7$
  B) 3$\sqrt{6}-7$
  C) 3$\sqrt{6}-1$
  D) 3$\sqrt{6}+1$
  Show Answer
  The correct answer is A .
• Question 183: Solve x² − 2x − 3 = 0 Options:
  A) x = 2 or 1
  B) x = 3 or -1
  C) x = 1 or 0
  D) x = 1 or 2
  Show Answer
  The correct answer is B .
• Question 184: Find the mean of t + 2, 2t - 4, 3t + 2 and 2t. Options:
  A) t + 1
  B) 2t
  C) 2t + 1
  D) t
  Show Answer
  The correct answer is B .
• Question 185: If y varies directly as the square root of x and y = 3 when x = 16. Calculate y when x = 64 Options:
  A) 12
  B) 6
  C) 3
  D) 5
  Show Answer
  The correct answer is B .
• Question 186:

  

  In the venn diagram, the shaded region is

  Options:
  A) (P $\cap$ Q) $\cup$ R
  B) (P $\cap$ Q) $\cap$ R
  C) (P $\cap$ Q¹) $\cap$ R
  D) (P $\cap$ Q¹) $\cup$ R
  Show Answer
  The correct answer is C .
• Question 187:

  

  Find the area of the trapezium above.

  Options:
  A) 91 cm²
  B) 78 cm²
  C) 60 cm²
  D) 19 cm²
  Show Answer
  The correct answer is C .
• Question 188: If s = (2 + 3t)(5t - 4), find ^s/_dt when t = ⁴/₅ secs Options:
  A) 0 units per sec
  B) 15 units per sec
  C) 22 unit per sec
  D) 26 units per sec
  Show Answer
  The correct answer is C .
• Question 189:

  Evaluate ${}^{n^2+1}$C${}_{n+5}$ if n = 3

  Options:
  A) 55
  B) 45
  C) 35
  D) 25
  Show Answer
  The correct answer is B .
• Question 190:

  Differentiate the function y = $\sqrt[3]{x^2}(2x-x^2)$

  Options:
  A) $\frac{dy}{dx}=\frac{10x^{5/3}}{3}-\frac{8x^{2/3}}{3}$
  B) $\frac{dy}{dx}=\frac{10x^{2/3}}{3}-\frac{8x^{5/3}}{3}$
  C) $\frac{dy}{dx}=\frac{10x^{5/3}}{3}-\frac{8x^{5/3}}{3}$
  D) $\frac{dy}{dx}=\frac{10x^{2/3}}{3}-\frac{8x^{2/3}}{3}$
  Show Answer
  The correct answer is B .