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 1491: Factory P produces 20,000 bags of cement per day while factory Q produces 15,000 bags per day. If P reduces production by 5% and Q increases production by 5%, determine the effective loss in the number of bags produced per day by the two factories Options:
  A) 250
  B) 750
  C) 1000
  D) 1250
  Show Answer
  The correct answer is A .
• Question 1492:

  A room is12m long, 9m wide and 8m high. Find the cosine of the angle which a diagonal of the room makes with the floor of the room

  Options:
  A) $\frac{15}{17}$
  B) $\frac{8}{17}$
  C) $\frac{8}{15}$
  D) $\frac{12}{17}$
  Show Answer
  The correct answer is A .
• Question 1493: 3y = 4x - 1 and Ky = x + 3 are equations of two straight lines. If the two lines are perpendicular to each other, find K. Options:
  A) -4/3
  B) -3/4
  C) 3/4
  D) 4/3
  Show Answer
  The correct answer is A .
• Question 1494:

  

  The triangle PQR above is

  Options:
  A) an obtuse-angled triangle
  B) a scalene triangle
  C) an isosceles triangle
  D) an equilateral triangle
  Show Answer
  The correct answer is C .
• Question 1495: A man's initial salary is ₦540.00 a month and increases after each period of six months by ₦36.oo a month. Find his salary in the eighth month of the third year Options:
  A) ₦828.00
  B) ₦756.00
  C) ₦720.00
  D) ₦684.00
  Show Answer
  The correct answer is C .
• Question 1496:

  What is the greatest straight line distance between two vertices (corners) of a cube whose sides are 2239cm long?

  Options:
  A) $\sqrt{2239}$cm
  B) $\sqrt{2}$ x 2239cm
  C) $\frac{\sqrt{3}}{2}$ 2239cm
  D) $\sqrt{3}$ x 2239cm
  E) 4478cm
  Show Answer
  The correct answer is D .
• Question 1497:

  

  The graph above shows the cumulative frequency curve of the distribution of marks in a class test. What percentage of the students scored more than 20 marks?

  Options:
  A) 68%
  B) 28%
  C) 17%
  D) 8%
  Show Answer
  The correct answer is B .
• Question 1498:

  The goals scored by 40 football teams from three league divisions are recorded below:

  $\begin{array}{cccccccc}\text{Number of goals}& 0& 1& 2& 3& 4& 5& 6\\ \text{frequency}& 4& 3& 15& 16& 1& 0& 1\end{array}$

  What is the total number of goals scored by all the terms?

  Options:
  A) 21
  B) 40
  C) 91
  D) 96
  Show Answer
  The correct answer is C .
• Question 1499: If 5, 8, 6 and 2 occur with frequencies 3, 2, 4 and 1 respectively, find the product of the modal and medial number. Options:
  A) 36
  B) 48
  C) 38
  D) 40
  E) none of the options
  Show Answer
  The correct answer is A .
• Question 1500: Find the gradient of the line passing through the points (-2, 0) and (0, -4) Options:
  A) 2
  B) -4
  C) -2
  D) 4
  Show Answer
  The correct answer is C .