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 2031:

  

  The value x in the figure given is

  Options:
  A) 110${}^{\circ }$
  B) 100${}^{\circ }$
  C) 70${}^{\circ }$
  D) 130${}^{\circ }$
  Show Answer
  The correct answer is D .
• Question 2032:

  If g(x) = x${}^2$ + 3x find g(x + 1) - g(x)

  Options:
  A) (x + 2)
  B) 2(x + 2)
  C) (2x + 1)
  D) (x² + 4)
  Show Answer
  The correct answer is B .
• Question 2033: A chord of a circle of a diameter 42cm subtends an angle of 60^o at the centre of the circle. Find the length of the mirror arc Options:
  A) 22cm
  B) 44cm
  C) 110cm
  D) 220cm
  Show Answer
  The correct answer is A .
• Question 2034: The three sides of an isosceles triangle are length of lengths (x + 3), (2x + 3), (2x - 3) respectively. Calculate x. Options:
  A) 5
  B) 1
  C) 3
  D) 6
  Show Answer
  The correct answer is D .
• Question 2035:

  Below are the scores of group of students in a music test:

  $\begin{array}{cccccccccc}\text{Scores}& 1& 2& 3& 4& 5& 6& 7& 8& 9\\ \text{No of students}& 3& 6& 10& 8& 6& 5& 2& 4& 12\end{array}$

  If CF(x) is the number of students with scores less than or equal to x, find CF(6)

  Options:
  A) 40
  B) 38
  C) 33
  D) 5
  Show Answer
  The correct answer is B .
• Question 2036: Two ladders of length 5m and 7m lean against a pole and make angles 45° and 60° with the ground respectively. What is their distance apart on the pole correct to two decimal places? Options:
  A) 9.60m
  B) 6.06m
  C) 2.54m
  D) 2.53m
  E) 2.00m
  Show Answer
  The correct answer is D .
• Question 2037: Simplify 3 ${}^{n-1}$ × 27 $\frac{n+1}{{81}^n}$ Options:
  A) 3${}^{2n}$
  B) 9
  C) 3ⁿ
  D) 3 ${}^{n+1}$
  Show Answer
  The correct answer is B .
• Question 2038: If a u² - 3v² and b = 2uv + v² evaluate (2a - b)(a - b²), when u = 1 and v = -1 Options:
  A) 9
  B) 15
  C) 27
  D) 33
  Show Answer
  The correct answer is A .
• Question 2039:

  The angle of elevation of the top of a tree from a point on the ground 60m away from the foot of the tree is 78°. Find the height of the tree correct to the nearest whole number.

  Options:
  A) 148m
  B) 382m
  C) 282m
  D) 248m
  Show Answer
  The correct answer is C .
• Question 2040: P is a point on one side of the straight line UV and P moves in the same direction as UV. If the straight line ST is on the locus of P and angle VUS = 60°, find angle UST. Options:
  A) 310°
  B) 130°
  C) 80°
  D) 50°
  Show Answer
  The correct answer is B .