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 1441: What is the mean of the data t, 2t-1, t-2, 2t-1, 4t and 2t+2? Options:
  A) 2t
  B) 2t-1
  C) ²/₃t+1
  D) 2t-¹/₃
  Show Answer
  The correct answer is D .
• Question 1442: If the mean of five consecutive integers is 30, find the largest of the numbers Options:
  A) 28
  B) 30
  C) 32
  D) 34
  Show Answer
  The correct answer is C .
• Question 1443: The sum of two numbers is twice their difference. If the difference of the numbers is P, find the larger of the two numbers Options:
  A) p/2
  B) 3p/2
  C) 5p/2
  D) 3p
  Show Answer
  The correct answer is B .
• Question 1444: Cos 65^o has the same value as Options:
  A) Sin 65^o
  B) Cos 25^o
  C) Cos 115^o
  D) Cos 205^o
  E) Cos 295^o
  Show Answer
  The correct answer is E .
• Question 1445:
  

  The histogram above shows the distribution of passengers in taxis of a certain motor park. How many taxis have more than 4 passengers

  Options:
  A) 16
  B) 17
  C) 14
  D) 15
  Show Answer
  The correct answer is B .
• Question 1446: Simplify $\frac{3^{-5n}}{9^{1-n}}\times {27}^{n+1}$ Options:
  A) 3²
  B) 3³
  C) 3⁵
  D) 3
  Show Answer
  The correct answer is D .
• Question 1447: Let = $\left(\begin{array}{cc}1& 0\\ 0& 1\end{array}\right)$ p = $\left(\begin{array}{cc}2& 3\\ 4& 5\end{array}\right)$ Q = $\left(\begin{array}{cc}u& 4+u\\ -2v& v\end{array}\right)$ be 2 x 2 matrices such that PQ = 1. Find (u, v) Options:
  A) (-$\frac{5}{2}$ - 1)
  B) (-$\frac{5}{2}$ - $\frac{3}{2}$)
  C) (-$\frac{5}{6}$ - 1)
  D) ($\frac{5}{2}$ - $\frac{3}{2}$)
  Show Answer
  The correct answer is A .
• Question 1448:
  

  Calculate, correct to three significant figures, the length of the arc AB in the diagram above.
  [Take $\pi {=}^{22}{/}_7$]

  Options:
  A) 32.4 cm
  B) 30.6 cm
  C) 28.8 cm
  D) 30.5 cm
  Show Answer
  The correct answer is B .
• Question 1449:

  Find the equation of the tangent at the point (2, 0) to the curve y = x${}^2$ - 2x

  Options:
  A) y = 2x - 4
  B) y = 2x + 4
  C) y = 2x - 2
  D) y = 2x + 2
  Show Answer
  The correct answer is A .
• Question 1450: Evaluate ${\int }_3^2(x^2-2x)dx$ Options:
  A) 4
  B) 2
  C) 4/3
  D) 1/3
  Show Answer
  The correct answer is C .