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 1791: The difference between 4$\frac{5}{7}$ and 2$\frac{1}{4}$ greater by Options:
  A) $\frac{23}{28}$
  B) $\frac{24}{28}$
  C) $\frac{50}{56}$
  D) $\frac{27}{28}$
  E) $\frac{48}{56}$
  Show Answer
  The correct answer is C .
• Question 1792:

  

  The diagram above is the graph of the function f(x). Determined the range of values of x for which f(x) $\le$ 0

  Options:
  A) x $\le$ 2
  B) 0 $\le$ x $\le$ 2
  C) -2 $\le$ x $\le$ 0, x $\ge$ 2
  D) x $\le$ -2, 0 $\le$ x $\le$ 2
  Show Answer
  The correct answer is C .
• Question 1793: Two cars X and Y start at the same point and travel towards a point P which is 150km away. If the average speed of Y is 60km per hour and x arrives at P 25 minutes earlier than Y. What is the average speed of X? Options:
  A) 51$\frac{3}{7}$km per hour
  B) 72km per hour
  C) 37$\frac{1}{2}$ km per hour
  D) 66km per hour
  E) 75km per hour
  Show Answer
  The correct answer is B .
• Question 1794:

  A binary operation Δ is defined by a Δ b = a + 3b + 2.

  Find (3 Δ 2) Δ 5

  Options:
  A) 35
  B) 59
  C) 28
  D) 87
  Show Answer
  The correct answer is C .
• Question 1795: A rectangular polygon has 150^o as the size of each interior angle. How many sides has the polygon? Options:
  A) 12
  B) 10
  C) 9
  D) 8
  Show Answer
  The correct answer is A .
• Question 1796:

  

  The equation of the graph is

  Options:
  A) y = (x - 3)³
  B) y = (x + 3)³
  C) y = x³ - 27
  D) y = -x³ + 27
  Show Answer
  The correct answer is C .
• Question 1797: If x and y represent the mean and the median respectively of the following set of numbers 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, find the $\frac{x}{y}$ correct to one decimal place Options:
  A) 18
  B) 15
  C) 1.0
  D) 5
  Show Answer
  The correct answer is C .
• Question 1798: For what value(s) of x is the expression (x² + 15x + 50) ÷ (x - 5) not defined Options:
  A) -5, -10
  B) -10
  C) -5
  D) 5
  E) 10, 5
  Show Answer
  The correct answer is D .
• Question 1799:

  If $4{\sin }^{2}x-3=0$, find the value of x, when 0° $\le$ x $\le$ 90°

  Options:
  A) 90°
  B) 45°
  C) 60°
  D) 30°
  Show Answer
  The correct answer is C .
• Question 1800: The chances of Usman and Dele passing a Mathematics test are 12 and 13 respectively. What is the probability that neither of them passes the test? Options:
  A) $\frac{3}{5}$
  B) $\frac{2}{5}$
  C) $\frac{4}{15}$
  D) $\frac{1}{5}$
  E) $\frac{2}{15}$
  Show Answer
  The correct answer is C .