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 2591: A chord drawn 5 cm away from the center of a circle of radius 13 cm. Calculate the length of the chord Options:
  A) 7cm
  B) 9cm
  C) 12cm
  D) 24cm
  Show Answer
  The correct answer is D .
• Question 2592: The time taken to do a piece of work is inversely proportional to the number of men employed. If it takes 30 men to do a piece of work in 6 days, how many men are required to do the work in 4 days? Options:
  A) 20
  B) 35
  C) 45
  D) 60
  Show Answer
  The correct answer is C .
• Question 2593: Find the value of x if $[1÷{64}^{(x+2)}]=[4^{(x-3)}÷{16}^x]$ Options:
  A) $\frac{3}{2}$
  B) $\frac{2}{3}$
  C) $\frac{1}{3}$
  D) $-\frac{3}{2}$
  Show Answer
  The correct answer is D .
• Question 2594:

  

  FG is a given straight line and H is a fixed point. The construction marks shown in the diagram indicate the

  Options:
  A) perpendicular bisector of the line
  B) perpendicular bisector of th eline JK
  C) perpendicular bisector of the line HI
  D) perpendicular from H to the line FG
  Show Answer
  The correct answer is D .
• Question 2595: The ratio of the base area of a hollow cone to that of its curved surface is 1:4. If its base radius is 7cm, calculate the slant height of the cone Options:
  A) 7cm
  B) 22cm
  C) 28cm
  D) 49cm
  E) 154cm
  Show Answer
  The correct answer is C .
• Question 2596: Evaluate ⁿ⁺¹C_n-2 If n =15 Options:
  A) 3630
  B) 3360
  C) 1120
  D) 560
  Show Answer
  The correct answer is D .
• Question 2597: What will be the value of k so that the quadratic equation kx² - 4x + 1 = 0 has two equal roots? Options:
  A) 2
  B) 3
  C) 4
  D) 8
  E) $\frac{1}{4}$
  Show Answer
  The correct answer is C .
• Question 2598:

  The line $3y+6x$ = 48 passes through the points A(-2, k) and B(4, 8). Find the value of k.

  Options:
  A) 16
  B) 20
  C) 8
  D) -2
  Show Answer
  The correct answer is B .
• Question 2599: What value of Q will make the expression 4x² + 5x + Q a complete square? Options:
  A) $\frac{25}{16}$
  B) $\frac{25}{64}$
  C) $\frac{5}{8}$
  D) $\frac{5}{4}$
  Show Answer
  The correct answer is A .
• Question 2600: If y = $\frac{x}{x-3}$ + $\frac{x}{x+4}$ find y when x = -2 Options:
  A) -$\frac{3}{5}$
  B) $\frac{3}{5}$
  C) -$\frac{7}{5}$
  D) $\frac{2}{5}$
  Show Answer
  The correct answer is C .