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 2621: Simplify $\frac{(\surd 12-\surd 3)}{(\surd 12+\surd 3)}$ Options:
  A) zero
  B) 1/3
  C) 3/5
  D) 1
  Show Answer
  The correct answer is B .
• Question 2622: If S = (x : x² = 9, x > 4), then S is equal to Options:
  A) 4
  B) {0}
  C) $\oplus$
  D) {$\oplus$}
  Show Answer
  The correct answer is C .
• Question 2623:

  Calculate the length of an arc of a circle diameter 14 cm, which subtends an angle of 90${}^{\circ }$ at the center of the circle

  Options:
  A) 7π/2 cm
  B) 7π cm
  C) 14π cm
  D) 7π/4 cm
  Show Answer
  The correct answer is A .
• Question 2624:

  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 2625: 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 .
• Question 2626: The radius of a circle is given as 5cm subject to an error of 0.1cm. What is the percentage error in the area of the circle? Options:
  A) $\frac{1}{25}$
  B) $\frac{1}{4}$
  C) 4
  D) 25
  Show Answer
  The correct answer is A .
• Question 2627: If the interest on N150.00 for 2¹/₂ years is N4.50, find the interest on N250.00 for 6 months at the same rate Options:
  A) N1.50
  B) N7.50
  C) N15.00
  D) N18.00
  Show Answer
  The correct answer is A .
• Question 2628: Solve the simultaneous equations 2x - 3y + 10 = 10x - 6y = 5 Options:
  A) x = 2$\frac{1}{2}$, y = 3$\frac{1}{2}$
  B) x = $\frac{1}{2}$, y = $\frac{3}{2}$
  C) x = 2$\frac{1}{4}$, y = 3$\frac{1}{2}$
  D) x = 2$\frac{1}{3}$, y = 3$\frac{1}{2}$
  E) x = 2$\frac{1}{3}$, y = 2$\frac{1}{2}$
  Show Answer
  The correct answer is A .
• Question 2629:

  P(-6, 1) and Q(6, 6) are the two ends of the diameter of a given circle. Calculate the radius.

  Options:
  A) 6.5 units
  B) 13.0 units
  C) 3.5 units
  D) 7.0 units
  Show Answer
  The correct answer is A .
• Question 2630: Arrange and $\frac{3}{5}$,$\frac{9}{16}$, $\frac{34}{59}$ and $\frac{71}{97}$ in ascending order of magnitude. Options:
  A) $\frac{3}{5}$, $\frac{9}{16}$, $\frac{34}{59}$, $\frac{71}{97}$
  B) $\frac{9}{16}$, $\frac{34}{59}$, $\frac{3}{5}$ , $\frac{71}{97}$
  C) $\frac{3}{5}$, $\frac{9}{16}$, $\frac{71}{97}$, $\frac{34}{59}$
  D) $\frac{9}{16}$, $\frac{3}{5}$, $\frac{71}{97}$, $\frac{34}{59}$
  Show Answer
  The correct answer is B .