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 441: Simplify $\frac{(\surd 12-\surd 3)}{(\surd 12+\surd 3)}$ Options:
  A) zero
  B) 1/3
  C) 3/5
  D) 1
  Show Answer
  The correct answer is B .
• Question 442: A binary operation $\oplus$ om real numbers is defined by x $\oplus$ y = xy + x + y for two real numbers x and y. Find the value of 3 $\oplus$ - $\frac{2}{3}$. Options:
  A) - $\frac{1}{2}$
  B) $\frac{1}{3}$
  C) -1
  D) 2
  Show Answer
  The correct answer is B .
• Question 443:

  Find the missing value in the table below:

  $\begin{array}{ccccccccc}x& -4& -3& -2& -1& 0& 1& 2& 3\\ y=4-3x-x^3& 80& & 18& 8& 4& 0& -10& -32\end{array}$

  Options:
  A) -32
  B) -14
  C) 40
  D) 22
  E) 37
  Show Answer
  The correct answer is C .
• Question 444: When a dealer sells a bicycle for ₦81 he makes a profit of 8%. What did he pay for the bicycle? Options:
  A) ₦73
  B) ₦74.52
  C) ₦75
  D) ₦75.52
  E) ₦87.48
  Show Answer
  The correct answer is C .
• Question 445: If m * n = n - (m+2) for any real number m and n find he value of 3*(-5) Options:
  A) -6
  B) -8
  C) -10
  D) -12
  Show Answer
  The correct answer is C .
• Question 446:

  If x + y = 90, simplify (sinx + siny)²−2sinxsiny

  Options:
  A) 1
  B) 0
  C) 2
  D) -1
  Show Answer
  The correct answer is A .
• Question 447: A container has 30 gold medals, 22 silver medals and 18 bronze medals. If one medals is selected at the random from the container, what is the probability that it is not a gold medal? Options:
  A) 9/35
  B) 11/35
  C) 4/7
  D) 3/7
  Show Answer
  The correct answer is C .
• Question 448: Two ladders of length 5m and 7m lean against a pole and make angles 45° and 60° with the ground respectively. What is their distance apart on the pole correct to two decimal places? Options:
  A) 9.60m
  B) 6.06m
  C) 2.54m
  D) 2.53m
  E) 2.00m
  Show Answer
  The correct answer is D .
• Question 449: Each of the interior angles of a regular polygon is 140^o. How many sides has the polygon? Options:
  A) 9
  B) 8
  C) 7
  D) 5
  Show Answer
  The correct answer is A .
• Question 450: If P344₆ - 23P2₆ = 2PP2₆, find the value of the digit P. Options:
  A) 2
  B) 3
  C) 4
  D) 5
  Show Answer
  The correct answer is D .