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 2411:

  $\begin{array}{cccc}\text{Age in years}& 10& 11& 12\\ \text{No. of pupils}& 6& 27& 7\end{array}$

  The table above shows the number of pupil in each age group in a class. What is the probability that a pupil chosen at random is at least 11 years old?

  Options:
  A) $\frac{27}{40}$
  B) $\frac{3}{30}$
  C) $\frac{17}{20}$
  D) $\frac{33}{40}$
  Show Answer
  The correct answer is C .
• Question 2412: The cost of kerosine per liter increase from N60 to N85. What is the percentage rate of increase? Options:
  A) 42%
  B) 41%
  C) 40%
  D) 25%
  Show Answer
  The correct answer is A .
• Question 2413:

  

  The pie chart shows the monthly expenditure pf a public servant. The monthly expenditure on housing is twice that of school fees. How much does the worker spend on housing if his monthly income is ₦7200?

  Options:
  A) ₦1000
  B) ₦2000
  C) ₦3000
  D) ₦4000
  Show Answer
  The correct answer is B .
• Question 2414: Find the mean deviation of 20, 25, 21, 27, 28, 29, to the nearest whole number Options:
  A) 2
  B) 3
  C) 4
  D) 5
  E) 6
  Show Answer
  The correct answer is B .
• Question 2415:

  Find the value of y, if log (y + 8) + log (y - 8) = 2log 3 + 2log 5

  Options:
  A) y = ±5
  B) y = ±10
  C) y = ±17
  D) y = ±13
  Show Answer
  The correct answer is C .
• Question 2416:

  Find the polynomial if given q(x) = x${}^2$ - x - 5, d(x) = 3x - 1 and r(x) = 7.

  Options:
  A) 3x${}^3$ - 4x${}^2$ - 14x + 12
  B) 3x${}^2$ + 3x - 7
  C) 3x${}^3$ + 4x${}^2$ + 14x - 12
  D) 3x${}^2$ - 3x + 4
  Show Answer
  The correct answer is A .
• Question 2417:

  

  In the figure, a solid consists of a hemisphere surmounted by a right circular cone, with radius 3.0cm and height 6.0cm. Find the volume of the solid

  Options:
  A) 36$\pi$cm ³
  B) 54$\pi$cm ²
  C) 18$\pi$cm ²
  D) 108$\pi$cm ²
  Show Answer
  The correct answer is A .
• Question 2418:

  

  The histogram above represents the number of candidates who did Further Mathematics examination in a school. How many candidates scored more than 40?

  Options:
  A) 100
  B) 79
  C) 150
  D) 90
  Show Answer
  The correct answer is C .
• Question 2419: If 55_x + 52_x = 77₁₀ find X Options:
  A) 5
  B) 6
  C) 7
  D) 10
  Show Answer
  The correct answer is C .
• Question 2420: The length of a notebook 15cm, was measured as 16.8cm. Calculate the percentage error to 2 significant figures. Options:
  A) 12.00%
  B) 11.00%
  C) 10.71%
  D) 0.12%
  Show Answer
  The correct answer is A .