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 2101: find the radius of a sphere whose surface area is 154cm² ($\pi =\frac{22}{7}$) Options:
  A) 7.00cm
  B) 3.50cm
  C) 3.00cm
  D) 1.75cm
  Show Answer
  The correct answer is B .
• Question 2102:

  

  The grades A1, A2, A3, C4 and F earned by students in a particular course are shown in the pie chart. What percentage of the students obtained a C4 grade?

  Options:
  A) 52.0
  B) 43.2
  C) 40.0
  D) 12.0
  Show Answer
  The correct answer is D .
• Question 2103:

  

  In the diagram above, |PQ| = |QR|, |PS| = |RS|, ∠PSR = 30^o and ∠PQR = 80^o. Find ∠SPQ.

  Options:
  A) 15^o
  B) 25^o
  C) 40^o
  D) 50^o
  E) 55^o
  Show Answer
  The correct answer is B .
• Question 2104: 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 2105: Find the value of 110111₂ + 10100₂ Options:
  A) 1101011₂
  B) 1001001₂
  C) 1001011₂
  D) 1001111₂
  Show Answer
  The correct answer is C .
• Question 2106: If dy/dx = 2x - 3 and y = 3 when x = 0, find y in terms of x. Options:
  A) 2x² - 3x
  B) x² - 3x
  C) x² - 3x - 3
  D) x² - 3x + 3
  Show Answer
  The correct answer is D .
• Question 2107: 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 2108:

  $\begin{array}{cccccc}x& 1& 2& 3& 4& 5\\ f& y+2& y-2& 2y-3& y+4& 3y-4\end{array}$

  This table shows the frequency distribution of a data if the mean is $\frac{43}{14}$ find y

  Options:
  A) 1
  B) 2
  C) 3
  D) 4
  Show Answer
  The correct answer is B .
• Question 2109:

  $\begin{array}{ccccc}x& 2& 4& 6& 8\\ f& 4& y& 6& 5\end{array}$

  If the mean of the above frequency distribution is 5.2, find y

  Options:
  A) 2, 1
  B) 1, 2
  C) 1, 5
  D) 5, 2
  Show Answer
  The correct answer is C .
• Question 2110: In an acute angle-triangle XYZ, XZ = 9cm, YZ = 11cm and ∠XZY = 35° Calculate ∠YXZ, correct to the nearest degree. Options:
  A) 57°
  B) 45°
  C) 33°
  D) 16°
  E) 89°
  Show Answer
  The correct answer is E .