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 11:

  

  In the diagram above; O is the centre of the circle and |BD| = |DC|. If ∠DCB = 35^o, find ∠BAO.

  Options:
  A) 20^o
  B) 25^o
  C) 30^o
  D) 35^o
  E) 40^o
  Show Answer
  The correct answer is A .
• Question 12: Find correct to two decimals places 100 + $\frac{1}{100}$ + $\frac{3}{1000}$ + $\frac{27}{10000}$ Options:
  A) 100.02
  B) 1000.02
  C) 100.22
  D) 100.01
  E) 100.51
  Show Answer
  The correct answer is A .
• Question 13: Find the total area of the surface of a solid cylinder whose base radius is 4cm and height is 5cm Options:
  A) 56$\pi$ cm²
  B) 72$\pi$ cm²
  C) 96$\pi$ cm²
  D) 192$\pi$ cm²
  Show Answer
  The correct answer is B .
• Question 14:

  Simplify $\sqrt[3]{(64r^6{)}^{\frac{1}{2}}}$

  Options:
  A) $\frac{r}{2}$
  B) 2r
  C) $\frac{1}{2r}$
  D) $\frac{2}{r}$
  E) 64r
  Show Answer
  The correct answer is E .
• Question 15:

  

  In the figure, find the area of XYZW.

  Options:
  A) 60cm²
  B) 54cm²
  C) 27cm²
  D) 54$\sqrt{2}$cm²
  E) 27$\sqrt{2}$cm²
  Show Answer
  The correct answer is C .
• Question 16:

  Evaluate $\frac{{27}^{\frac{1}{3}}-8^{\frac{2}{3}}}{{16}^{\frac{2}{4}}\times 2}$

  Options:
  A) $\frac{23}{5}$
  B) -$\frac{23}{5}$
  C) $\frac{1}{8}$
  D) $\frac{21}{7}$
  Show Answer
  The correct answer is C .
• Question 17: Solve 5^2(x-1) x 5^(x-1) = 0.04 Options:
  A) ¹/₃
  B) ¹/₆
  C) -¹/₅
  D) -¹/₃
  Show Answer
  The correct answer is D .
• Question 18: If line p = 5x + 3 is parallel to line p = wx + 5. Find the value of w. Options:
  A) 7
  B) 3
  C) 6
  D) 5
  Show Answer
  The correct answer is D .
• Question 19:

  The weight of a day-old chick was measured to be 0.21g. If the actual weight of the chick is 0.18g, what was the percentage error in the measurement?

  Options:
  A) 15.5%
  B) 18.2%
  C) 14.8%
  D) 16.7%
  Show Answer
  The correct answer is D .
• Question 20: Find the sum to infinity to the following series 3 + 2 + $\frac{4}{3}$ + $\frac{8}{9}$ + $\frac{16}{17}$ + ..... Options:
  A) 1270
  B) 190
  C) 18
  D) 9
  Show Answer
  The correct answer is D .