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 1261: Solve the equation for the positive values of $\theta$ less than 360^o. 3 tan $\theta$ + 2 = -1 Options:
  A) 135^o or 315^o
  B) 45^o or 135^o
  C) 315^o or 180^o
  D) 315v + 45^o
  E) 360^o or 315^o
  Show Answer
  The correct answer is A .
• Question 1262: Solve the inequality x - 1 > 4(x + 2)
  Options:
  A) x > -3
  B) x < -3
  C) 2 < x < 3
  D) -3 < x < -2
  Show Answer
  The correct answer is B .
• Question 1263: A public car dealer marked up the cost of a car at 30% in an attempt to make 20% gross profit. Due to the value of dollar, he now placed 20% discount on the car. What profit or loss will he make? Options:
  A) 3%
  B) 2%
  C) 4%
  D) 1%
  Show Answer
  The correct answer is C .
• Question 1264:

  If P varies inversely as V and V varies directly as R², find the relationship between P and R given that R = 7 when P = 2.

  Options:
  A) P = 98R²
  B) PR² = 98
  C) P = $\frac{1}{98R^2}$
  D) P = $\frac{P{R}^2}{98}$
  Show Answer
  The correct answer is B .
• Question 1265:

  Solve for k in the equation ${\frac{1}{8}}^{k+2}$ = 1

  Options:
  A) 2
  B) -4
  C) -2
  D) 4
  Show Answer
  The correct answer is C .
• Question 1266:

  Find the matrix A

  A $\left[\begin{array}{cc}0& 1\\ 2& -1\end{array}\right]$ =$\left[\begin{array}{cc}2& -1\\ 1& 0\end{array}\right]$

  Options:
  A) $\left[\begin{array}{cc}2& 1\\ {-}^1{/}_2& {-}^1{/}_2\end{array}\right]$
  B) $\left[\begin{array}{cc}0& 1\\ {}^1{/}_2& {}^1{/}_2\end{array}\right]$
  C) $\left[\begin{array}{cc}2& 1\\ 0& -1\end{array}\right]$
  D) $\left[\begin{array}{cc}2& 1\\ {}^1{/}_2& -2\end{array}\right]$
  Show Answer
  The correct answer is B .
• Question 1267: What is the perpendicular distance of a point (2, 3) from the line 2x - 4y + 3 = 0? Options:
  A) $\frac{\sqrt{5}}{2}$
  B) $\frac{\sqrt{5}}{20}$
  C) $\frac{5}{\sqrt{13}}$
  D) 6
  Show Answer
  The correct answer is A .
• Question 1268: A canal has rectangular cross section of width10cm and breadth 1m. If water of uniform density 1 gm cm^-3 flows through it at a constant speed of1000mm per minute, the adjacent sea is Options:
  A) 100000
  B) 1000000
  C) 120000
  D) 30000
  E) 350000
  Show Answer
  The correct answer is A .
• Question 1269:

  

  In the venn diagram, the shaded region is

  Options:
  A) (P $\cap$ Q) $\cup$ R
  B) (P $\cap$ Q) $\cap$ R
  C) (P $\cap$ Q¹) $\cap$ R
  D) (P $\cap$ Q¹) $\cup$ R
  Show Answer
  The correct answer is C .
• Question 1270: The determinant of matrix $\left(\begin{array}{ccc}x& 1& 0\\ 1-x& 2& 3\\ 1& 1+x& 4\end{array}\right)$ in terms of x is Options:
  A) -3x² - 17
  B) -3x² + 9x - 1
  C) 3x² + 17
  D) 3x² - 9x + 5
  Show Answer
  The correct answer is B .