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 1351: Find the x and y intercepts of the graph of 3x - z $\le$ 9 Options:
  A) (3, -9)
  B) (-3, 9)
  C) (-3, -9)
  D) (-3, 0)
  Show Answer
  The correct answer is A .
• Question 1352: (1.28 x 10⁴) + (6.4 x 10²) equals Options:
  A) 2 x 10^-5
  B) 2 x 10^-1
  C) 2 x 10¹
  D) 2 x 10^-4
  Show Answer
  The correct answer is C .
• Question 1353: The sum of the first n terms of the arithmetic progression 5, 11, 17, 23, 29, 35, ... is Options:
  A) n(3n - 0.5)
  B) n(3n + 2)
  C) n(3n + 2.5)
  D) n(3n + 5)
  Show Answer
  The correct answer is B .
• Question 1354: Solve the equation 3x² + 6x - 2 = 0 Options:
  A) x = -1 $\pm$ $\frac{\sqrt{3}}{3}$
  B) x = -1 $\pm$ $\frac{\sqrt{15}}{3}$
  C) x = -2 $\pm$ 2
  D) x = 3 $\pm$ $\frac{\sqrt{3}}{15}$
  Show Answer
  The correct answer is B .
• Question 1355:

  

  In a class of 30 students, the marks scored in an examination are displayed in the histogram. What percentage of the student scored more than 40%?

  Options:
  A) 14%
  B) 40%
  C) 40$\frac{3}{4}$%
  D) 53$\frac{1}{3}$%
  Show Answer
  The correct answer is C .
• Question 1356:

  Marks	1	2	3	4	5
  Frequency	2	2	8	4	4

  The table above show the marks obtained in a given test.

  Find the mean mark

  Options:
  A) 3.1
  B) 3.0
  C) 3.2
  D) 3.3
  Show Answer
  The correct answer is D .
• Question 1357: X and Y are two events. The probability of X or Y is 0.7 and that of X is 0.4. If X and Y are independent, find the probability of Y. Options:
  A) 0.30
  B) 0.50
  C) 0.57
  D) 1.80
  Show Answer
  The correct answer is A .
• Question 1358:

  Find p, q for which $\left(\begin{array}{cc}2p& 8\\ 3& -5q\end{array}\right)$$\left(\begin{array}{c}1\\ 2\end{array}\right)$$\left(\begin{array}{c}24\\ -17\end{array}\right)$

  Options:
  A) -1, 4
  B) 4, 5
  C) 4, 2
  D) 2, -4
  Show Answer
  The correct answer is C .
• Question 1359:

  A man invested a sum of ₦280.00 partly at 5% and partly at 4%. if the total interest is ₦12.90 per annum, find the amount invested at 5%.

  Options:
  A) 14.00
  B) 120.00
  C) 140.00
  D) 160.00
  Show Answer
  The correct answer is D .
• Question 1360: 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 .