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 1221: Find the coordinates of the mid-point of x and y intercepts of the line 2y = 4x - 8 Options:
  A) (2, 0)
  B) (1, -2)
  C) (-1, -2)
  D) (1, 2)
  Show Answer
  The correct answer is B .
• Question 1222:

  $\begin{array}{ccccc}\text{Scores}& 3& 6& 5& 2\\ \text{Frequency}& 2& 3& 4& 6\end{array}$

  From the table above, find the median.

  Options:
  A) 3
  B) 5
  C) 4
  D) 6
  Show Answer
  The correct answer is A .
• Question 1223: Find the angle subtended at the centre of a circle by a chord which is equal in length to the radius of the circle Options:
  A) 30^o
  B) 45^o
  C) 60^o
  D) 90^o
  Show Answer
  The correct answer is C .
• Question 1224:

  Find the probability that a number selected at random from 40 to 50 is a prime.

  Options:
  A) $\frac{3}{11}$
  B) $\frac{5}{11}$
  C) $\frac{3}{11}$
  D) $\frac{4}{11}$
  Show Answer
  The correct answer is C .
• Question 1225: Make r subject of the formula given that $\frac{x}{r+a}=\frac{a}{r}$ Options:
  A) $\frac{a^2}{(x-a)}$
  B) $\frac{a^2}{(x+a)}$
  C) $\frac{a}{x-a}$
  D) $\frac{a}{x+a}$
  Show Answer
  The correct answer is A .
• Question 1226:

  The angle of a sector of acircle, radius 10.5cm, is 48°,Calculate the perimeter of the sector

  Options:
  A) 8.8cm
  B) 25.4cm
  C) 25.6cm
  D) 29.8cm
  Show Answer
  The correct answer is D .
• Question 1227: Find the area bounded by the curve y = 3x${}^2$ - 2x + 1, the coordinates x = 1 and x = 3 and the x-axis Options:
  A) 24
  B) 22
  C) 21
  D) 20
  Show Answer
  The correct answer is D .
• Question 1228: A chord of a circle subtends an angle of 12o degrees at the centre of a circle of diameter 4√3 cm. Calculate the area of the major sector. Options:
  A) 4π cm²
  B) 32 π cm²
  C) 16 π cm²
  D) 8 π cm²
  Show Answer
  The correct answer is D .
• Question 1229:

  

  In the diagram, PQ and RS are chords of a circle centre O which meet at T outside the circle. If TP = 24cm. TQ = 8cm and TS = 12cm, find TR.

  Options:
  A) 16cm
  B) 14cm
  C) 12cm
  D) 8cm
  Show Answer
  The correct answer is A .
• Question 1230: At what rate would a sum of ₦100.00 deposited for 5 years raise an interest of ₦7.50? Options:
  A) 1$\frac{1}{2}$%
  B) 2$\frac{1}{2}$%
  C) 1.5%
  D) 25%
  Show Answer
  The correct answer is C .