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 401: OXYZW is a pyramid with a square base such that OX = OY= OZ = OW = 5cm and XY = XW = YZ = WZ = 6cm. Find the height OT Options:
  A) 2$\sqrt{5}$
  B) 3
  C) 4
  D) 4$\sqrt{3}$
  Show Answer
  The correct answer is D .
• Question 402:

  If two graphs y = px² + q and y = 2x² − 1 intersect at x =2, find the value of p in terms of q

  Options:
  A) q − $\frac{8}{7}$
  B) 7 − $\frac{q}{4}$
  C) 8 − $\frac{q}{2}$
  D) 7 + $\frac{q}{8}$
  Show Answer
  The correct answer is B .
• Question 403: 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 404:

  

  In the diagram, O is the centre of the circle. If SOQ is a diameter and < PRS is 38${}^{\circ }$, what is the value of < PSQ

  Options:
  A) 148${}^{\circ }$
  B) 104${}^{\circ }$
  C) 80${}^{\circ }$
  D) 52${}^{\circ }$
  Show Answer
  The correct answer is D .
• Question 405: Thirty boys and x girls sat for a rest. The mean of the boys scores and that of the girls were respectively 6 and 8. Find x if the total scores was 468 Options:
  A) 38
  B) 24
  C) 36
  D) 22
  E) 41
  Show Answer
  The correct answer is C .
• Question 406: Four boys and ten girls can cut a field in 5 hours if the boys work at $\frac{5}{4}$ the rate at which the girls work. How many boys will be needed to cut the field in 3 hours? Options:
  A) 180
  B) 60
  C) 25
  D) 20
  Show Answer
  The correct answer is D .
• Question 407: Find the volume of solid generated when the area enclosed by y = 0, y = 2x, and x = 3 is rotated about the x-axis. Options:
  A) 81 π cubic units
  B) 36 π cubic units
  C) 18 π cubic units
  D) 9 π cubic units
  Show Answer
  The correct answer is B .
• Question 408: 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 .
• Question 409: Evaluate ${\left(\frac{81}{16}\right)}^{\frac{-1}{4}}\times 2^{-1}$ Options:
  A) ¹/₃
  B) 3
  C) 6
  D) ¹/₆
  Show Answer
  The correct answer is A .
• Question 410: The nth term of a sequence is n² - 6n - 4. Find the sum of the 3rd and 4th terms. Options:
  A) 24
  B) 23
  C) -24
  D) -25
  Show Answer
  The correct answer is D .