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 1501: Find the area of the figure bounded by the given pair of curves y = x² - x + 3 and y = 3 Options:
  A) 17/6 units (sq)
  B) 7/6 units (sq)
  C) 5/6 units (sq)
  D) 1/6 units (sq)
  Show Answer
  The correct answer is A .
• Question 1502:

  

  (Numbers indicate the lengths of the sides of the triangles) If the area of $△$ PQR is k²sq. units what is the area of the shades portion?

  Options:
  A) $\frac{5}{9}$k² sq. units
  B) $\frac{1}{3}$k² sq. units
  C) $\frac{8}{9}$k² sq. units
  D) $\frac{7}{9}$k² sq. units
  E) $\frac{2}{3}$k² sq. u
  Show Answer
  The correct answer is A .
• Question 1503:

  $\begin{array}{cccccc}x& 1& 2& 3& 4& 5\\ f& 2& 1& 2& 1& 2\end{array}$

  Find the variance of the frequency distribution above

  Options:
  A) $\frac{3}{2}$
  B) $\frac{9}{4}$
  C) $\frac{5}{2}$
  D) 3
  Show Answer
  The correct answer is B .
• Question 1504: Make R the subject of the fomula S = $\sqrt{\frac{2R+T}{2RT}}$ Options:
  A) R = $\frac{T}{(T{S}^2+1)}$
  B) R = $\frac{T}{2(T{S}^2-2)}$
  C) R = $\frac{T}{2(T{S}^2+1)}$
  D) R = $\frac{R}{2(T{S}^2+1)}$
  Show Answer
  The correct answer is B .
• Question 1505: 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) 840
  B) 720
  C) 640
  D) 520
  Show Answer
  The correct answer is A .
• Question 1506: The perpendicular bisector of a line XY is the locus of a point B. whose distance from Y is always twice its distance from X. C Options:
  A) whose distance from X is always twice its distance from Y
  B) whose distance from Y is always twice its distance from X.
  C) which moves on the line XY
  D) which is equidistant from the points X and y
  Show Answer
  The correct answer is D .
• Question 1507: A variable point p(x, y) traces a graph in a two-dimensional plane. (0, 3) is one position of P. If x increases by 1 unit, y increases by 4 units. The equation of the graph is Options:
  A) -3 = $\frac{y+4}{x+1}$
  B) 4y = -3 + x
  C) $\frac{y}{x}$ = $\frac{-3}{4}$
  D) 4x = y + 3
  Show Answer
  The correct answer is D .
• Question 1508: The sum of the first n positive integers is Options:
  A) $\frac{1}{2}$(n + 1)
  B) n $\frac{1}{2}$(n + 1)
  C) n(n - 1)
  D) n(n + 1)
  Show Answer
  The correct answer is B .
• Question 1509: Divide: ax^3x - 26x^2x + 156a^x - 216 by a^2x - 24a^x + 108 Options:
  A) a^x - 2
  B) a^x + 2
  C) a^x - 8
  D) a^x - 6
  Show Answer
  The correct answer is A .
• Question 1510:

  The difference between an exterior angle of (n - 1) sided regular polygon and an exterior angle of (n + 2) sided regular polygon is 6${}^o$, then the value of "n" is

  Options:
  A) 11
  B) 13
  C) 12
  D) 14
  Show Answer
  The correct answer is B .