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 1411:

  Let '*' and '^' be two binary operations such that a * b = a${}^2$b and a ^ b = 2a + b. Find (-4 * 2) ^ (7 * -1).

  Options:
  A) -49
  B) 64
  C) 113
  D) 15
  Show Answer
  The correct answer is D .
• Question 1412:

  The ratio of the length of two similar rectangular blocks is 2 : 3. If the volume of the larger block is 351cm${}^3$, then the volume of the other block is?

  Options:
  A) 234.00 cm³
  B) 526.50 cm³
  C) 166.00 cm³
  D) 687cm³
  Show Answer
  The correct answer is A .
• Question 1413: The solution of the quadratic inequality (x² + x - 12) $\ge$ 0 is Options:
  A) x $\ge$ 3 or x $\ge$ -4
  B) x $\le$ 3 or x $\le$ -4
  C) x $\ge$ 3 or x $\le$ -4
  D) x $\ge$ -3 or x $\le$ 4
  Show Answer
  The correct answer is C .
• Question 1414:

  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 1415: At what value of X does the function y = -3 - 2x + X² attain a minimum value? Options:
  A) -1
  B) 14
  C) 4
  D) 1
  Show Answer
  The correct answer is D .
• Question 1416: If y = x sinx, find $\frac{dy}{dx}$ Options:
  A) sin x - x cosx
  B) sinx + x cosx
  C) sinx - cosx
  D) sinx + cosx
  Show Answer
  The correct answer is B .
• Question 1417: A hunter 1.6 m tall, views a bird on top of a tree at an angle of 45 degrees. if the distance between the hunter and the tree is 10.4 m, find the height of the tree. Options:
  A) 9.0 m
  B) 12. 0 m
  C) 8.8 m
  D) 10.4 m
  Show Answer
  The correct answer is B .
• Question 1418: Which of the following lines is not parallel to the line 3y + 2x + 7 = 0? Options:
  A) 3y + 2x - 7 = 0
  B) 9y + 6x + 17 = 0
  C) 24y + 16x + 19 = 0
  D) 3y - 2x + 7 = 0
  E) 5y + 10x - 13 = 0
  Show Answer
  The correct answer is D .
• Question 1419: Factorize r² - r(2p + q) + 2pq Options:
  A) (r - 2q)(2r - p)
  B) (r - p)(r + p0
  C) (r - q)(r - 2p)
  D) (2r - q)(r + p)
  Show Answer
  The correct answer is C .
• Question 1420: In how many ways can five people sit round a circular table? Options:
  A) 24
  B) 60
  C) 12
  D) 120
  Show Answer
  The correct answer is A .