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 1351:

  

  In the figure, 0 is the centre of circle PQRS and PS//RT. If PRT = 135, then PSO is

  Options:
  A) 67$\frac{1}{2}$${}^{\circ }$
  B) 22$\frac{1}{2}$${}^{\circ }$
  C) 33$\frac{1}{2}$${}^{\circ }$
  D) 45${}^{\circ }$
  E) 90${}^{\circ }$
  Show Answer
  The correct answer is D .
• Question 1352:

  Simplify $\frac{3}{5}$ $÷$ ($\frac{2}{7}$ x $\frac{4}{3}$ $÷$ $\frac{4}{9}$)

  Options:
  A) $\frac{6}{7}$
  B) $\frac{4}{5}$
  C) $\frac{7}{10}$
  D) $\frac{21}{6}$
  Show Answer
  The correct answer is C .
• Question 1353: Find a two-digital number such that three times the terms digit is 2 less than twice the units digit and twice the number is 20 greater than the number obtained by reversing the digits Options:
  A) 24
  B) 42
  C) 74
  D) 47
  E) 72
  Show Answer
  The correct answer is D .
• Question 1354: Simplify $\sqrt{160r^2}$ + $\sqrt{71r^4}$ + $\sqrt{100r^2}$ Options:
  A) 9r²
  B) 12$\sqrt{3r}$
  C) 13r
  D) $\sqrt{13r}$
  Show Answer
  The correct answer is C .
• Question 1355:

  Correct each of the numbers 59.81798 and 0.0746829 to three significant figures and multiply them, giving your answer to three significant figures

  Options:
  A) 4.46
  B) 4.48
  C) 4.47
  D) 4.49
  E) 4.50
  Show Answer
  The correct answer is C .
• Question 1356: Without using tables, simplify $\frac{1n\sqrt{216}-1n\sqrt{125}-1n\sqrt{8}}{2(1n3-1n5)}$ Options:
  A) -3
  B) 3
  C) $\frac{3}{5}$
  D) $\frac{-3}{2}$
  E) 1n 6 - 2 1n 5
  Show Answer
  The correct answer is C .
• Question 1357:

  p = $\left|\begin{array}{ccc}x& 3& 0\\ 2& y& 3\\ 4& 2& 4\end{array}\right|$

  q = $\left|\begin{array}{ccc}x& 2& z\\ 3& y& 2\\ 0& 3& z\end{array}\right|$ Where p^T is the transpose p calculate /p^T/ when x = 0, y = 1 and z = 2

  Options:
  A) 48
  B) 24
  C) -24
  D) -48
  Show Answer
  The correct answer is B .
• Question 1358: If f(x - 2) = 4x² + x + 7, find f(1) Options:
  A) 12
  B) 27
  C) 7
  D) 46
  E) 17
  Show Answer
  The correct answer is D .
• Question 1359: Factorize 2y² - 15xy + 18x² Options:
  A) (2y - 3x) (y + 6x)
  B) (2y - 3x) (y - 6x)
  C) (2y + 3x) (y - 6x)
  D) (3y + 2x) (y - 6x)
  Show Answer
  The correct answer is B .
• Question 1360:

  

  From the venn diagram above, the complement of the set P$\cap$Q is given by

  Options:
  A) {a, b, d, e}
  B) {b, d}
  C) {a, e}
  D) {c}
  Show Answer
  The correct answer is D .