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 1561:

  Evaluate without using tables sin(-1290${}^{\circ }$)

  Options:
  A) $\frac{3}{2}$
  B) -$\frac{3}{2}$
  C) $\frac{2}{2}$
  D) 1
  E) $\frac{1}{2}$
  Show Answer
  The correct answer is E .
• Question 1562: The determination of the matrix $\left(\begin{array}{ccc}1& 3& 3\\ 4& 5& 6\\ 2& 0& 1\end{array}\right)$ is Options:
  A) -67
  B) -57
  C) -3
  D) 3
  Show Answer
  The correct answer is D .
• Question 1563: In how many ways can the letters of the word ACCEPTANCE be arranged? Options:
  A) 10! / (2!2!3!)
  B) 10! / ( 2!3!)
  C) 10! / (2!2!)
  D) 10!
  Show Answer
  The correct answer is A .
• Question 1564: The sum of the roots of a quadratic equation $\frac{5}{2}$ and product of its roots is 4. The quadratic equation is Options:
  A) $2x^2+5x+8=0$
  B) $2x^2-5x+8=0$
  C) $2x^2-8x+5=0$
  D) $2x^2+8x-5=0$
  E) $2x^2+5x-8=0$
  Show Answer
  The correct answer is B .
• Question 1565: If the volume of a hemisphere is increasing at a steady rate of 18π m/s, at what rate is its radius changing when its is 6m? Options:
  A) 2.30m/s
  B) 2.00 m/s
  C) 0.25 m/s
  D) 0.20 m/s
  Show Answer
  The correct answer is C .
• Question 1566:

  

  In the figure, PQST is a parallelogram and TSR is a straight line. If the area of $△$QRS is 20cm², find the area of the trapezium PQRT.

  Options:
  A) 35cm²
  B) 65cm²
  C) 70cm²
  D) 140cm²
  Show Answer
  The correct answer is C .
• Question 1567:

  

  In the diagram above, QR // TS, QR : TS = 2.3, Find the ratio of the area of triangle PQR to the area of the trapezium QRST.

  Options:
  A) 4:9
  B) 4:5
  C) 1:3
  D) 2:3
  Show Answer
  The correct answer is B .
• Question 1568: 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 1569: Evaluate ${\int }_0^{\frac{\pi }{4}}se{c}^2\theta d\theta$ Options:
  A) 1
  B) 2
  C) 3
  D) 4
  Show Answer
  The correct answer is A .
• Question 1570:

  

  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 .