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 1591: Find the derivative of $\frac{\sin \theta }{\cos \theta }$ Options:
  A) sec² $\theta$
  B) tan $\theta$ cosec $\theta$
  C) cosec $\theta$sec $\theta$
  D) cosec²$\theta$
  Show Answer
  The correct answer is A .
• Question 1592:

  If S = (4t + 3)(t - 2), find ds/dt when t = 5 secs.

  Options:
  A) 50 units per sec
  B) 35 units per sec
  C) 22 units per sec
  D) 13 units per sec
  Show Answer
  The correct answer is B .
• Question 1593:

  

  P, R and S lie on a circle center as shown above while Q lies outside the circle. Find ∠PSO

  Options:
  A) 45${}^{\circ }$
  B) 55${}^{\circ }$
  C) 35${}^{\circ }$
  D) 40${}^{\circ }$
  Show Answer
  The correct answer is C .
• Question 1594: Solve the simultaneous equations for x in x² + y - 8 = 0, y + 5x - 2 = 0 Options:
  A) -28, 7
  B) 6, -28
  C) 6, -1
  D) -1, 7
  E) 3, 2
  Show Answer
  The correct answer is C .
• Question 1595: Which of the following lines is not parallel to the line 3y + 2x + 7 = 0? Options:
  A) 3y + 2x - 7 = 0
  B) 9y + 6x + 17 = 0
  C) 24y + 16x + 19 = 0
  D) 3y - 2x + 7 = 0
  E) 5y + 10x - 13 = 0
  Show Answer
  The correct answer is D .
• Question 1596: If (x - 2) and (x + 1) are factors of the expression x³ + px² + qx + 1, what is the sum of p and q Options:
  A) 9
  B) -3
  C) 3
  D) $\frac{17}{3}$
  E) $\frac{2}{3}$
  Show Answer
  The correct answer is B .
• Question 1597: If a rod 10cm in length was measured as 10.5cm, calculate the percentage error Options:
  A) 5%
  B) 10%
  C) 8%
  D) 7%
  Show Answer
  The correct answer is A .
• Question 1598:

  Find the simple interest rate percent annum at which N1000 accumulates to N1240 in 3 years.

  Options:
  A) 6%
  B) 8%
  C) 10%
  D) 12%
  Show Answer
  The correct answer is B .
• Question 1599: I how many was can the letters of the word ELATION be arranged? Options:
  A) 6!
  B) 7!
  C) 5!
  D) 8!
  Show Answer
  The correct answer is B .
• Question 1600:

  If $y=6x^3+2x^{-2}-x^{-3}$, find $\frac{\mathrm{d}y}{\mathrm{d}x}$.

  Options:
  A) $\frac{\mathrm{d}y}{\mathrm{d}x}=15x^2-4x^{-2}-3x^{-2}$
  B) $\frac{\mathrm{d}y}{\mathrm{d}x}=6x+4x^{-1}-3x^{-4}$
  C) $\frac{\mathrm{d}y}{\mathrm{d}x}=18x^2-4x^{-3}+3x^{-4}$
  D) $\frac{\mathrm{d}y}{\mathrm{d}x}=12x^2+4x^{-1}-3x^{-2}$
  Show Answer
  The correct answer is C .