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 1211:

  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 1212: The size of a quantity first doubles and then increases by a further 16%. After a short time its size decreases by 16%. What is the net increases in size of the quantity? Options:
  A) $\frac{59300}{625}$
  B) $\frac{50900}{625}$
  C) 200%
  D) +100%
  Show Answer
  The correct answer is C .
• Question 1213: Find the total surface area of solid cone of radius 2$\sqrt{3}$cm and slanting side 4$\sqrt{3}$ Options:
  A) 8$\sqrt{3}\pi$cm²
  B) 24$\pi$cm²
  C) 15$\sqrt{3}\pi$cm²
  D) 36$\pi$cm²
  Show Answer
  The correct answer is D .
• Question 1214: Simplify $\frac{3\frac{2}{3}\times \frac{5}{6}\times \frac{2}{3}}{\frac{11}{15}\times \frac{3}{4}\times \frac{2}{27}}$ Options:
  A) $5\frac{2}{3}$
  B) 30
  C) $4\frac{1}{3}$
  D) 50
  Show Answer
  The correct answer is D .
• Question 1215:

  Mr Adu spends his annual salary on food(f), rent(r), car maintenance, gifts(g), savings(s) and some miscellaneous (m) as indicate in the table below:

  F	R	C	G	S	M
  28%	15%	20%	14%	10%	13%

  If the above information is represented on a pie chart. What angle represents his spending on food?

  Options:
  A) 108.5
  B) 100.8
  C) 98.8
  D) 120.5
  Show Answer
  The correct answer is B .
• Question 1216:

  Find the missing value in the following table:

  $\begin{array}{ccccccc}x& -2& -1& 0& 1& 2& 3\\ y=x^3-x+3& & 3& 3& 3& 9& 27\end{array}$

  Options:
  A) -3
  B) 3
  C) -9
  D) 13
  E) 9
  Show Answer
  The correct answer is A .
• Question 1217:

  

  Triangle OPQ is the solution of the inequalities

  Options:
  A) x - 1 < 0, y + $\ge$ 0, y - x $\ge$ 0
  B) x + 1 $\le$ 0, y + x $\ge$ 0, y - x $\le$ 0
  C) x - 1 $\ge$ 0, y - x $\ge$ 0, y + x $\ge$ 0
  D) y + x $\ge$ 0, y - x $\le$ 0
  Show Answer
  The correct answer is B .
• Question 1218:

  

  The bar chart above shows the distribution of marks in a class test. If the pass mark is 5, what percentage of students failed the test?

  Options:
  A) 10%
  B) 20%
  C) 50%
  D) 60%
  Show Answer
  The correct answer is C .
• Question 1219: Find the positive number n such that thrice its square is equal to 12 times the number. Options:
  A) 1
  B) 2
  C) 3
  D) 4
  Show Answer
  The correct answer is D .
• Question 1220:

  

  PQ is parallel to RS. Calculate the value of x.

  Options:
  A) 20${}^{\circ }$
  B) 40${}^{\circ }$
  C) 60${}^{\circ }$
  D) 80${}^{\circ }$
  E) 100${}^{\circ }$
  Show Answer
  The correct answer is B .