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 1621: Calculate the area of a parallelogram whose diagonals are of length 8cm and 12cm and intersect at an angle of 135° Options:
  A) 271.5cm²
  B) 135.8cm²
  C) 96.0cm²
  D) 48.0cm²
  E) 33.9cm²
  Show Answer
  The correct answer is E .
• Question 1622: Calculate the area of a parallelogram whose diagonals are of length 8cm and 12cm and intersect at an angle of 135° Options:
  A) 271.5cm²
  B) 135.8cm²
  C) 96.0cm²
  D) 48.0cm²
  E) 33.9cm²
  Show Answer
  The correct answer is E .
• Question 1623: Simplify 3 log₆9 + log₆12 + log₆64 - log₆72 Options:
  A) 5
  B) 7776
  C) log₆31
  D) (7776)₆
  Show Answer
  The correct answer is A .
• Question 1624:

  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 1625: The ratio of the base area of a hollow cone to that of its curved surface is 1:4. If its base radius is 7cm, calculate the slant height of the cone Options:
  A) 7cm
  B) 22cm
  C) 28cm
  D) 49cm
  E) 154cm
  Show Answer
  The correct answer is C .
• Question 1626:

  Find x if log${}_9$x = 1.5

  Options:
  A) 27
  B) 15
  C) 3.5
  D) 32
  Show Answer
  The correct answer is A .
• Question 1627: Twenty girls and y boys sat on an examination. The mean marks obtained by the girls and boys were 52 and 57 respectively. if the total score for both girls and boys was 2950, find y. Options:
  A) 51
  B) 48
  C) 30
  D) 25
  E) 18
  Show Answer
  The correct answer is C .
• Question 1628:

  Below are the scores of a group of students in a test:

  $\begin{array}{ccccccc}Scores& 1& 2& 3& 4& 5& 6\\ \text{No. of students}& 1& 4& 5& 6& x& 2\end{array}$

  If the average scores is 3.5, find the value of x.

  Options:
  A) 1
  B) 2
  C) 3
  D) 4
  Show Answer
  The correct answer is B .
• Question 1629: The range of the data: k+2, k-3, k+4, k-2, k, k-5, k+3, k-1, and k+6 is Options:
  A) 10
  B) 11
  C) 6
  D) 8
  Show Answer
  The correct answer is B .
• Question 1630: Divide the L.C.M of 48, 64, and 80 by their H.C.F Options:
  A) 20
  B) 30
  C) 48
  D) 60
  Show Answer
  The correct answer is D .