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 1301: The locus of a point equidistant from two points P(6,2) and R(4,2) is a perpendicular bisector of PR passing through Options:
  A) (2, 5)
  B) (5, 2)
  C) (1, 0)
  D) (0,1)
  Show Answer
  The correct answer is B .
• Question 1302: Simplify cos² x (sec²x + sec² x tan²x) Options:
  A) tan x
  B) tanx secx
  C) $\frac{1+ta{n}^{2}x}{se{c}^{2}x}$
  D) cosec²x
  Show Answer
  The correct answer is C .
• Question 1303:

  12 men complete a job in 9 days. How many men working at the same rate would be required to complete the job in 6 days?

  Options:
  A) 24
  B) 18
  C) 12
  D) 9
  E) 8
  Show Answer
  The correct answer is E .
• Question 1304: If y = x Sin x, find $\frac{dy}{dx}$ when x = $\frac{\pi }{2}$ Options:
  A) $\frac{-\pi }{2}$
  B) -1
  C) 1
  D) $\frac{\pi }{2}$
  Show Answer
  The correct answer is C .
• Question 1305: Evaluate (2.813 x 10^-3 x 1.063) (5.637 x 10^-2) Options:
  A) 0.056
  B) 0.055
  C) 0.054
  D) 0.54
  Show Answer
  The correct answer is B .
• Question 1306:

  A binary operation $\otimes$ is defined by $m\otimes n=mn+m-n$ on the set of real numbers, for all m, n $\in$ R. Find the value of 3 $\otimes$ (2 $\otimes$ 4).

  Options:
  A) 6
  B) 25
  C) 15
  D) 18
  Show Answer
  The correct answer is C .
• Question 1307: A sector of angle 120° is cut out from a circle of radius 13.5cm. what area of the circle is remaining ? (π = $\frac{22}{7}$) Options:
  A) 14.1cm²
  B) 95.5cm²
  C) 190.9cm²
  D) 381.9cm²
  E) 763.7cm²
  Show Answer
  The correct answer is D .
• Question 1308:

  If (x - a) is a factor of bx - ax + x², find the other factor.

  Options:
  A) (x + b)
  B) (x - b)
  C) (a + b)
  D) (a - b)
  Show Answer
  The correct answer is A .
• Question 1309:

  Find the value of x for which 2(3^2x-1) = 162

  Options:
  A) ⁵/₂
  B) ³/₂
  C) ²/₅
  D) ¹/₂
  Show Answer
  The correct answer is A .
• Question 1310: An operation * is defined on the set of real numbers by a*b = a + b + 1. If the identity elements is -1, find the inverse of the element 2 under *. Options:
  A) 4
  B) zero
  C) -2
  D) -4
  Show Answer
  The correct answer is D .