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 1921: A man invested a sum of ₦280.00 partly at 5% and partly at 4%, if the total interest is ₦12.80 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 1922: In a class of 120 students, 18 of them scored an A grade in mathematics. If the section representing the A grade students on a pie chart has angle Z^o at the centre of the circle, what is Z? Options:
  A) 15
  B) 27
  C) 50
  D) 52
  E) 54
  Show Answer
  The correct answer is E .
• Question 1923:

  Express $(0.0439÷3.62)$ as a fraction.

  Options:
  A) $\frac{21}{100}$
  B) $\frac{21}{1000}$
  C) $\frac{12}{1000}$
  D) $\frac{12}{100}$
  Show Answer
  The correct answer is C .
• Question 1924: Solve x² − 2x − 3 = 0 Options:
  A) x = 2 or 1
  B) x = 3 or -1
  C) x = 1 or 0
  D) x = 1 or 2
  Show Answer
  The correct answer is B .
• Question 1925: Two chords PQ and RS of a circle when produced meet at K. If ∠KPS = 31^o and ∠PKR = 42^o, find ∠KQR Options:
  A) 11^o
  B) 73^o
  C) 107^o
  D) 138^o
  E) 149^o
  Show Answer
  The correct answer is C .
• Question 1926: A senatorial candidate had planned to visit seven cities prior to a primary election. However, he could only visit four of the cities. How many different itineraries could be considered? Options:
  A) 640
  B) 840
  C) 520
  D) 920
  Show Answer
  The correct answer is B .
• Question 1927: If U and V are two distinct fixed points and W is a variable points such that UWV is a right angle, what is the locus of W? Options:
  A) The perpendicular bisector of UV
  B) A circle with UV as radius
  C) A line parallel to the line UV
  D) A circle with the line UV as the diameter
  Show Answer
  The correct answer is D .
• Question 1928:

  Evaluate without using tables sin(-1290${}^{\circ }$)

  Options:
  A) $\frac{3}{2}$
  B) -$\frac{3}{2}$
  C) $\frac{2}{2}$
  D) 1
  E) $\frac{1}{2}$
  Show Answer
  The correct answer is E .
• Question 1929:

  The coordinates of the mid-point of the line joining the points (-3,5) and (2,10) is given by?

  Options:
  A) ( $\frac{1}{2}$, $\frac{15}{2}$ )
  B) ( $\frac{1}{2}$, $\frac{-15}{2}$ )
  C) ( $\frac{-1}{2}$, $\frac{-15}{2}$ )
  D) ( $\frac{-1}{2}$, $\frac{15}{2}$ )
  Show Answer
  The correct answer is D .
• Question 1930: Find the range of values of x for which 3x - 7 $\le$ 0 and x + 5 > 0
  Options:
  A) -5 < x < $\frac{7}{3}$
  B) -5 $\le$ x $\le$ $\frac{7}{3}$
  C) -5 < x $\le$ $\frac{7}{3}$
  D) -5 $\le$ x < $\frac{7}{3}$
  Show Answer
  The correct answer is C .