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 1251: Find the coordinates of the mid-point of x and y intercepts of the line 2y = 4x - 8 Options:
  A) (2, 0)
  B) (1, -2)
  C) (-1, -2)
  D) (1, 2)
  Show Answer
  The correct answer is B .
• Question 1252: x varies directly as y and inversely as z. when x = 5, y = 2 and z = 1. What is the value of x when y = 5 and z = 2? Options:
  A) 2.5
  B) 5
  C) 6.25
  D) 6.52
  E) 7.5
  Show Answer
  The correct answer is C .
• Question 1253: A cone with the sector angle of 45^o is cut out of a circle of radius of the cone. Options:
  A) $\frac{r}{16}$ cm
  B) $\frac{r}{6}$ cm
  C) $\frac{r}{8}$ cm
  D) $\frac{r}{2}$ cm
  Show Answer
  The correct answer is C .
• Question 1254: Simplify $\frac{x^2-1}{x^3+2x^2-x-2}$ Options:
  A) $\frac{1}{x+2}$
  B) $\frac{x-1}{x+1}$
  C) $\frac{x-1}{x+2}$
  D) $\frac{1}{x-2}$
  Show Answer
  The correct answer is A .
• Question 1255:

  

  The bar chart above shows the number of times the word a, and , in, it, the , to appear in a paragraph in a book. What is the ratio of the least frequent word?

  Options:
  A) ¹/₄
  B) ¹/₃
  C) ²/₃
  D) ³/₄
  Show Answer
  The correct answer is A .
• Question 1256: Each of the interior angles of a regular polygon is 140^o. How many sides has the polygon? Options:
  A) 9
  B) 8
  C) 7
  D) 5
  Show Answer
  The correct answer is A .
• Question 1257: Find the nth term of the sequence 3, 6, 10, 15, 21..... Options:
  A) $\frac{n(n-1)}{2}$
  B) $\frac{n(n+1)}{2}$
  C) $\frac{(n+1)(n+2)}{2}$
  D) n(2n + 1)
  Show Answer
  The correct answer is C .
• Question 1258: The length, breadth and height of a cuboid are 8cm, 7$\frac{1}{2}$cm and 6$\frac{1}{2}$ cm respectively. What Is its volume in m³ (leave your answer in standard form)? Options:
  A) 3.9 × 10^-1m³
  B) 3.9 × 10^-2m³
  C) 3.9 × 10^-3m³
  D) 3.9 × 10^-4m³
  E) 3.9 × 10^-5m³
  Show Answer
  The correct answer is D .
• Question 1259: If X $\ast$ Y = X + Y - XY, find x when (x $\ast$ 2) + (x $\ast$ 3) = 68 Options:
  A) 24
  B) 22
  C) -12
  D) -21
  Show Answer
  The correct answer is D .
• Question 1260: Without using tables find the numerical value of log₇49 + log7_{($\frac{1}{7}$)} Options:
  A) 1
  B) 2
  C) 3
  D) 7
  E) 9
  Show Answer
  The correct answer is A .