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 1651: The 3rd term of an arithmetic progression is -9 and the 7th term is -29. Find the 10th term of the progression Options:
  A) -44
  B) -165
  C) 165
  D) 44
  Show Answer
  The correct answer is A .
• Question 1652: Make t the subject of formula S = ut + $\frac{1}{2}a{t}^2$ Options:
  A) $\frac{1}{a}-u+\sqrt{u^2-2as}$
  B) $\frac{1}{a}u\pm (u^2-2as)$
  C) $\frac{1}{a}u\pm \sqrt{2as}$
  D) $\frac{1}{a}-u+\sqrt{2as}$
  Show Answer
  The correct answer is A .
• Question 1653: S_n is the sum of the first n terms of a series given by S_n = n₂n - 1. Find the nth term Options:
  A) 4n + 1
  B) 4n - 1
  C) 2n + 1
  D) 2n - 1
  Show Answer
  The correct answer is D .
• Question 1654: Simplify $\frac{1}{5x+5}$ + $\frac{1}{7x+7}$ Options:
  A) $\frac{12}{35x+1}$
  B) $\frac{1}{35(x+1)}$
  C) $\frac{12x}{35(x+7)}$
  D) $\frac{12}{35x+35}$
  Show Answer
  The correct answer is A .
• Question 1655:

  

  If PN is perpendicular to QR, find the value of tan x.

  Options:
  A) $\frac{5}{9}$
  B) $\frac{3}{5}$
  C) $\frac{3}{4}$
  D) $\frac{4}{3}$
  E) $\frac{5}{3}$
  Show Answer
  The correct answer is B .
• Question 1656: The ratio of the areas of similar triangles is necessarily equal to Options:
  A) the ratio of the corresponding sides
  B) the ratio of the squares on corresponsing sides
  C) the ratio of the corresponding heights of the triangles
  D) half the ratio of the corresponding heights of the triangles
  E) the ratio of the corresponding bases to the heights of the triangles
  Show Answer
  The correct answer is C .
• Question 1657:

  

  In the figure, PQ is a parallel to ST and QRS = 40${}^{\circ }$. Find the value of x.

  Options:
  A) 55${}^{\circ }$
  B) 60${}^{\circ }$
  C) 65${}^{\circ }$
  D) 75${}^{\circ }$
  Show Answer
  The correct answer is A .
• Question 1658:

  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 1659: A world congress of mathematicians were held in Nice in 1970 with 800 people participating. There were 300 from Europe, 200 from America, 150 from Asia, 45 from Africa and 105 from Australia. Representing the above on a pie chart, the angle of the sector representing the participant is Options:
  A) 150^o
  B) 67$\frac{1}{2}$^o
  C) 67^o
  D) 135^o
  E) 68^o
  Show Answer
  The correct answer is B .
• Question 1660: The prime factors of 2520 are Options:
  A) 2, 9, 5
  B) 2, 9, 7
  C) 2, 3, 5, 7
  D) 2, 3, 7, 9
  Show Answer
  The correct answer is C .