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 131:

  Find the median of 2, 3, 7, 3, 4, 5, 8, 9, 9, 4, 5, 3, 4, 2, 4 and 5

  Options:
  A) 9
  B) 8
  C) 7
  D) 4
  Show Answer
  The correct answer is D .
• Question 132: 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 133:

  If Q is$\left[\begin{array}{cc}9& -2\\ -7& 4\end{array}\right]$, then |Q| is

  Options:
  A) -50
  B) -22
  C) 22
  D) 50
  Show Answer
  The correct answer is C .
• Question 134: The sum of the progression is 1 + x + x² + x³ + ...... Options:
  A) $\frac{1}{1-x}$
  B) $\frac{1}{1+x}$
  C) $\frac{1}{x-1}$
  D) $\frac{1}{x}$
  Show Answer
  The correct answer is A .
• Question 135:

  Find the value of y if ${402}_y={102}_{ten}$

  Options:
  A) 4
  B) 2
  C) 5
  D) 3
  Show Answer
  The correct answer is C .
• Question 136: A chord 20cm long subtends an angle of 60° at the circumference of a circle, what is the diameter of the circle the nearest cm? Options:
  A) 12cm
  B) 20cm
  C) 23cm
  D) 60cm
  E) 80cm
  Show Answer
  The correct answer is C .
• Question 137: What is the integral value of x which satisfy the inequality -1 < 3 -2x $\le$ 5? Options:
  A) -1. 0, 1, 2
  B) -2, 1, 0 , -1
  C) 0, 1, 2
  D) -1, 0, 1
  Show Answer
  The correct answer is D .
• Question 138:

  

  In the figure, YXZ = 30${}^{\circ }$, XYZ = 105${}^{\circ }$ and XY = 8cm. Calculate YZ

  Options:
  A) 16$\sqrt{2}$cm
  B) 8$\sqrt{2}$cm
  C) 4$\sqrt{2}$cm
  D) 22cm
  Show Answer
  The correct answer is C .
• Question 139:

  Musa borrows N10.00 at 2% per month simple interest and repays N8.00 after 4 months. How much does he still owe?

  Options:
  A) N10.80
  B) N10.67
  C) N2.80
  D) N2.67
  Show Answer
  The correct answer is C .
• Question 140:

  The smallest number such that when it is divided by 3 has a remainder of 6 and when it is divided by 9, has a remainder of 7 is

  Options:
  A) 387
  B) 493
  C) 502
  D) 441
  E) 634
  Show Answer
  The correct answer is C .