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 491:

  

  In the diagram above, a cylinder is summounted by a hemisphere bowl. Calculate the volume of the solid.

  Options:
  A) 180 πcm³
  B) 162 πcm³
  C) 216 πcm³
  D) 198 πcm³
  Show Answer
  The correct answer is D .
• Question 492: A man bought a second-hand photocopying machine for N34,000. He serviced is at a cost od N2,000 and then sold it i profit of 15%. What was the selling price? Options:
  A) N37,550
  B) N40,400
  C) N41,400
  D) N42,400
  Show Answer
  The correct answer is C .
• Question 493: What value of s will make the function x(4-x) a maximum Options:
  A) 4
  B) 3
  C) 2
  D) 1
  Show Answer
  The correct answer is C .
• Question 494: 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 495: Find the distance between the point Q (4,3) and the point common to the lines 2x - y = 4 and x + y = 2 Options:
  A) 3√10
  B) 3√5
  C) √26
  D) √13
  Show Answer
  The correct answer is D .
• Question 496: If P = {1,2,3,4,5} and P $\cup$ Q = {1,2,3,4,5,6,7}, list the elements in Q Options:
  A) {6}
  B) {7}
  C) {6,7}
  D) {5,6}
  Show Answer
  The correct answer is C .
• Question 497:

  

  The table above shows the scores of a group of students in a physics test. If the mode is m and the number of students who scored 4 or more is n, what is (n, m)?

  Options:
  A) (33, 4)
  B) (22, 4)
  C) (33, 12)
  D) (12, 4)
  Show Answer
  The correct answer is A .
• Question 498:

  If (x - a) is a factor of bx - ax + x², find the other factor.

  Options:
  A) (x + b)
  B) (x - b)
  C) (a + b)
  D) (a - b)
  Show Answer
  The correct answer is A .
• Question 499:

  

  The diagram above is the graph of y = x², the shaded area is

  Options:
  A) 64 square units
  B) ¹²⁸/₃ square units
  C) ⁶⁴/₃ square units
  D) 32 square units
  Show Answer
  The correct answer is C .
• Question 500: The sum of the interior angles of a polygon is a given as 1080^o. Find the number of the sides of the polygon. Options:
  A) 5
  B) 7
  C) 6
  D) 8
  Show Answer
  The correct answer is D .