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 1891:

  If (x - a) is a factor of bx - ax + x², find the other factor.

  Options:
  A) (x + b)
  B) (x - b)
  C) (a + b)
  D) (a - b)
  Show Answer
  The correct answer is A .
• Question 1892: A student sitting on a tower 68 metres high observes his principal's car at the angle of depression of 20^o. How far is the car from the bottom of the tower to the nearest metre? Options:
  A) 184m
  B) 185m
  C) 186m
  D) 187m
  Show Answer
  The correct answer is D .
• Question 1893:

  

  Find the area of the figure above

  [π = ²²/₇]

  Options:
  A) 12.5 cm²
  B) 75.0 cm²
  C) 78.5 cm²
  D) 84.8 cm²
  Show Answer
  The correct answer is D .
• Question 1894:

  $\begin{array}{cccccccc}\text{Marks}& 2& 3& 4& 5& 6& 7& 8\\ \text{No. of students}& 3& 1& 5& 2& 4& 2& 3\end{array}$

  From the table above, if the pass mark is 5, how many students failed the test?

  Options:
  A) 6
  B) 2
  C) 9
  D) 7
  Show Answer
  The correct answer is C .
• Question 1895: Compute 110011₂ + 11111₂ Options:
  A) 1001010₂
  B) 1010010₂
  C) 1000110₂
  D) 1000100₂
  Show Answer
  The correct answer is B .
• Question 1896:

  Find the value of y if ${402}_y={102}_{ten}$

  Options:
  A) 4
  B) 2
  C) 5
  D) 3
  Show Answer
  The correct answer is C .
• Question 1897:

  Musa borrows N10.00 at 2% per month simple interest and repays N8.00 after 4 months. How much does he still owe?

  Options:
  A) N10.80
  B) N10.67
  C) N2.80
  D) N2.67
  Show Answer
  The correct answer is C .
• Question 1898: If $log{X}^{\frac{1}{2}}$ 64 = 3, find the value of x. Options:
  A) 4
  B) 16
  C) 32
  D) 64
  Show Answer
  The correct answer is B .
• Question 1899: Two distinct sectors i the same circle substend 100^o and 30^o respectively at the centre of the circle. Their corresponding arcs are in ratio Options:
  A) 10:3
  B) 1:100
  C) 3:1
  D) 5:2
  Show Answer
  The correct answer is A .
• Question 1900: Simplify $\frac{(a^2-\frac{1}{a})+(a^{\frac{4}{3}}+a^{\frac{2}{3}})}{a^2{\frac{1}{a}}^2}$ Options:
  A) a^{$\frac{2}{3}$}
  B) a^{-$\frac{1}{3}$}
  C) a2 + 1
  D) a
  E) a^{$\frac{1}{3}$}
  Show Answer
  The correct answer is E .