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 301: Calculate the perimeter of a sector of a circle of raduis 12cm and angle 60^o. Options:
  A) (12 + 4$\pi$)cm
  B) (24 + 4$\pi$)cm
  C) (12 + 6$\pi$)cm
  D) (24 + 6$\pi$)cm
  Show Answer
  The correct answer is B .
• Question 302: Find the standard derivation of the following data -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5 Options:
  A) 2
  B) 3
  C) $\sqrt{10}$
  D) $\sqrt{11}$
  Show Answer
  The correct answer is C .
• Question 303: Simplify ¾½$6\frac{1}{12}-2¾+1½$ Options:
  A) $3\frac{5}{6}$
  B) $4\frac{5}{6}$
  C) $2\frac{1}{6}$
  D) $\frac{1}{3}$
  Show Answer
  The correct answer is B .
• Question 304:

  Each of the base angles of an isosceles triangle is 59^o, and the vertices of the triangle lie on a circle. Determine the angle at which the base of the triangle subtends at the centre of the circle.

  Options:
  A) 124^o
  B) 16^o
  C) 64^o
  D) 58^o
  Show Answer
  The correct answer is A .
• Question 305: A chord is drawn 5 cm away from the centre of a circle of radius 13 cm. Calculate the length of the chord. Options:
  A) 7 cm
  B) 9 cm
  C) 12 cm
  D) 24 cm
  Show Answer
  The correct answer is C .
• Question 306: If cos $\theta$ = $\frac{\sqrt{3}}{2}$ and $\theta$ is less than 90^o. Calculate cos$\frac{90-\theta }{si{n}^2\theta }$ Options:
  A) $\frac{4}{\sqrt{3}}$
  B) $\sqrt{\frac{3}{2}}$
  C) $\sqrt{\frac{76}{2}}$
  D) 4$\sqrt{\frac{76}{2}}$
  Show Answer
  The correct answer is A .
• Question 307:

  A sum of money was invested at 8% per annum simple interest. If after 4 years the money amounts to ₦330.00. Find the amount originally invested

  Options:
  A) ₦180.00
  B) ₦165.00
  C) ₦150.00
  D) ₦250.00
  E) ₦200.00
  Show Answer
  The correct answer is D .
• Question 308: An open rectangular box is made of wood 2cm thick. If the internal dimensions of the box are 50cm long, 36cm wide and 20cm deep, the box volume of wood in the box is Options:
  A) 11 520cm³
  B) 36 000cm³
  C) 38 200cm³
  D) 47 520cm³
  Show Answer
  The correct answer is A .
• Question 309: If m $\ast$ n = n-(m + 2) for any real numbers m and n, find the value of 3 $\ast$ (-5) Options:
  A) -6
  B) -8
  C) -10
  D) -12
  Show Answer
  The correct answer is C .
• Question 310: Given the scores: 4, 7, 8, 11, 13, 8 with corresponding frequencies: 3, 5, 2, 7, 2, 1 respectively. The mean score is Options:
  A) 7.0
  B) 8.7
  C) 9.5
  D) 11.0
  Show Answer
  The correct answer is B .