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 2561:

  

  In the diagram, HK is parallel to QR, PH = 4cm and HQ = 3cm. What is the ratio of KR:PR?

  Options:
  A) 7:3
  B) 3:7
  C) 3:4
  D) 4:3
  Show Answer
  The correct answer is B .
• Question 2562:

  

  In the figure, PQR is a semicircle. Calculate the area of the shaded region.

  Options:
  A) 125^{$\frac{2}{7}$}cm²
  B) 149^{$\frac{2}{7}$}cm²
  C) 234^{$\frac{1}{7}$}cm²
  D) 267^{$\frac{1}{2}$}cm²
  Show Answer
  The correct answer is A .
• Question 2563:

  A machine valued at N20,000 depreciates by 10% every year. What will be the value of the machine at the end of two years?

  Options:
  A) N16,200
  B) N14,200
  C) N12,000
  D) N8,000
  Show Answer
  The correct answer is A .
• Question 2564: List all integers satisfying the inequality -1 $\le$ 2 x -6 < 4. Options:
  A) 2, 3, 4, 5
  B) 2, 3, 4
  C) 2, 5
  D) 3, 4, 5
  E) 4, 5
  Show Answer
  The correct answer is B .
• Question 2565: Find the value of X if $\frac{\sqrt{2}}{x+\sqrt{2}}=\frac{1}{x-\sqrt{2}}$ Options:
  A) 3√2+4
  B) 3√2-4
  C) 3-2√2
  D) 4+2√2
  Show Answer
  The correct answer is A .
• Question 2566:

  Evaluate log${}_2$ 8 – log${}_3$ $\frac{1}{9}$

  Options:
  A) -1 1$\frac{1}{2}$
  B) -1
  C) 1
  D) 5
  Show Answer
  The correct answer is D .
• Question 2567: On a square paper of length 2.524375cm is inscribed square diagram of length 0.524375cm. Find the area of the paper not covered by the diagram. correct to 3 significant figures. Options:
  A) 6.00cm²
  B) 6.10cm²
  C) 6cmv
  D) 6.09cm²
  E) 4.00cm²
  Show Answer
  The correct answer is B .
• Question 2568: If ₦225.00 yields ₦27.00 in x years simple interest at the rate of 4% per annum, find x Options:
  A) 3
  B) 4
  C) 12
  D) 17
  Show Answer
  The correct answer is A .
• Question 2569:

  For what value of x is the tangent to the curve y = x${}^2$ - 4x + 3 parallel to the x-axis?

  Options:
  A) 3
  B) 2
  C) 1
  D) 0
  Show Answer
  The correct answer is B .
• Question 2570: If cos x = $\sqrt{\frac{a}{b}}$ find coses x Options:
  A) $\frac{b}{\sqrt{b-a}}$
  B) $\sqrt{\frac{b}{a}}$
  C) $\sqrt{\frac{b}{b-a}}$
  D) $\sqrt{\frac{b-a}{a}}$
  Show Answer
  The correct answer is C .