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 1011:

  At what rate would a sum of N100.00 deposited for 5 years raise an interest of N7.50?

  Options:
  A) $\frac{1}{2}$%
  B) 2$\frac{1}{2}$%
  C) 1.5%
  D) 25%
  Show Answer
  The correct answer is C .
• Question 1012: The volume of a hemispherical bowl is $718\frac{2}{3}$. Find its radius . Options:
  A) 4.0 cm
  B) 5.6 cm
  C) 7.0 cm
  D) 3.8 cm
  Show Answer
  The correct answer is C .
• Question 1013: In a figure, PQR = 60^o, PRS = 90^o, RPS = 45^o, QR = 8cm. Determine PS Options:
  A) 2$\sqrt{3}$cm
  B) 4$\sqrt{6}$cm
  C) 2$\sqrt{6}$cm
  D) 8$\sqrt{6}$cm
  E) 8cm
  Show Answer
  The correct answer is B .
• Question 1014: Simplify $\frac{x-7}{x^2-9}$ x $\frac{x^2-3x}{x^2-49}$ Options:
  A) $\frac{x}{(x-3)(x-7)}$
  B) $\frac{x}{(x+3)(x-7)}$
  C) $\frac{x}{(x+3)(x+7)}$
  D) $\frac{x}{(x-3)(x+7)}$
  Show Answer
  The correct answer is C .
• Question 1015: x varies directly as y and inversely as z. when x = 5, y = 2 and z = 1. What is the value of x when y = 5 and z = 2? Options:
  A) 2.5
  B) 5
  C) 6.25
  D) 6.52
  E) 7.5
  Show Answer
  The correct answer is C .
• Question 1016: Solve $\frac{1}{x+1}$ - $\frac{1}{x+3}$ = $\frac{1}{4}$ Options:
  A) x = -1 or 3
  B) x = 1 or 3
  C) x = 1 or -5
  D) x = -1 or 5
  E) x = -1 or -3
  Show Answer
  The correct answer is C .
• Question 1017:

  Calculate 243${}_{six}$ – 243${}_{five}$ expressing your answer in base 10.

  Options:
  A) 1
  B) 26
  C) 46
  D) 0
  Show Answer
  The correct answer is C .
• Question 1018:

  $\begin{array}{cccc}class& 1-3& 4-6& 7-9\\ Frequency& 5& 8& 5\end{array}$

  Find the standard deviation of the data using the table above

  Options:
  A) 5
  B) \(\sqrt{6}\0
  C) $\frac{5}{3}$
  D) $\sqrt{5}$
  Show Answer
  The correct answer is A .
• Question 1019:

  ⊗	k	l	m
  k	l	m	k
  l	m	k	l
  m	k	l	m

  The identity element with respect to the multiplication shown in the table above is

  Options:
  A) o
  B) m
  C) l
  D) k
  Show Answer
  The correct answer is B .
• Question 1020:

  A car uses one litre of petrol for every 14km. If one litre of petrol cost ₦63.00, how far can the car go with ₦900.00 worth of petrol?

  Options:
  A) 420km
  B) 405km
  C) 210km
  D) 200km
  Show Answer
  The correct answer is D .