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 1041: The range of the data: k+2, k-3, k+4, k-2, k, k-5, k+3, k-1, and k+6 is Options:
  A) 10
  B) 11
  C) 6
  D) 8
  Show Answer
  The correct answer is B .
• Question 1042: Evaluate $\frac{21}{9}$ to 3 significant figures Options:
  A) 2.30
  B) 2.31
  C) 2.32
  D) 2.33
  Show Answer
  The correct answer is D .
• Question 1043: If P = $\left(\begin{array}{cc}2& -3\\ 1& 1\end{array}\right)$ Options:
  A) $\left(\begin{array}{cc}-\frac{1}{5}& -\frac{3}{5}\\ -\frac{1}{5}& -\frac{2}{5}\end{array}\right)$
  B) $\left(\begin{array}{cc}\frac{1}{5}& \frac{3}{5}\\ \frac{1}{5}& \frac{2}{5}\end{array}\right)$
  C) $\left(\begin{array}{cc}-\frac{1}{5}& \frac{3}{5}\\ -\frac{1}{5}& \frac{2}{5}\end{array}\right)$
  D) $\left(\begin{array}{cc}\frac{1}{5}& \frac{3}{5}\\ -\frac{1}{5}& \frac{2}{5}\end{array}\right)$
  Show Answer
  The correct answer is D .
• Question 1044:

  A man stands on a tree 150cm high and sees a boat at an angle of depression of 74°. Find the distance of the boat from the base of the tree.

  Options:
  A) 52cm
  B) 43cm
  C) 40cm
  D) 15cm
  Show Answer
  The correct answer is B .
• Question 1045: A cone is formed by bending a sector of a circle Saving an angle or 210°. Find the radius of the base of the cone. If the diameter of the circle is 12cm. Options:
  A) 7.00cm
  B) 1.75cm
  C) 21cm
  D) 3.50cm
  E) 2.21cm
  Show Answer
  The correct answer is D .
• Question 1046: A sector of angle 120° is cut out from a circle of radius 13.5cm. what area of the circle is remaining ? (π = $\frac{22}{7}$) Options:
  A) 14.1cm²
  B) 95.5cm²
  C) 190.9cm²
  D) 381.9cm²
  E) 763.7cm²
  Show Answer
  The correct answer is D .
• Question 1047: In how many ways can 3 seats be occupied if 5 people are willing to sit? Options:
  A) 60
  B) 20
  C) 5
  D) 120
  Show Answer
  The correct answer is A .
• Question 1048: Two perpendicular lines PQ and QR intersect at (1, -1). If the equation of PQ is x - 2y + 4 = 0, find the equation of QR Options:
  A) x + 2y - 1= -0
  B) 2x + y - 3 = 0
  C) x - 2y - 3 = 0
  D) 2x + y - 1
  Show Answer
  The correct answer is D .
• Question 1049: x varies directly as the product of u and v and inversely as their sum. If x = 3 when u = 3 and v = 1, what is the value of x if u = 3 and v = 3? Options:
  A) 3
  B) 4
  C) 6
  D) 9
  Show Answer
  The correct answer is C .
• Question 1050: Evaluate log_baⁿ if b = aⁿ Options:
  A) nⁿ
  B) n
  C) $\frac{1}{n}$
  D) $\frac{1}{n^2}$
  Show Answer
  The correct answer is B .