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 1081: Find the total area of the surface of a solid cylinder whose base radius is 4cm and height is 5cm Options:
  A) 56$\pi$ cm²
  B) 72$\pi$ cm²
  C) 96$\pi$ cm²
  D) 192$\pi$ cm²
  Show Answer
  The correct answer is B .
• Question 1082: What is the nth term of the progression 27, 9, 3,......? Options:
  A) 27$\frac{1}{3}$ ^{n - 1}
  B) 3^{n + 2}
  C) 27 + 18(n - 1)
  D) 27 + 6(n - 1)
  Show Answer
  The correct answer is A .
• Question 1083:

  Evaluate (212)${}_3$ - (121)${}_3$ + (222)${}_3$

  Options:
  A) (313)${}_3$
  B) (1000)${}_3$
  C) (1020)${}_3$
  D) (1222)${}_3$
  Show Answer
  The correct answer is C .
• Question 1084:

  

  In the diagram, O is the centre of the circle. If SOQ is a diameter and < PRS is 38${}^{\circ }$, what is the value of < PSQ

  Options:
  A) 148${}^{\circ }$
  B) 104${}^{\circ }$
  C) 80${}^{\circ }$
  D) 52${}^{\circ }$
  Show Answer
  The correct answer is D .
• Question 1085: Find the equation of the perpendicular at the point (4,3) to the line y + 2x = 5 Options:
  A) 2y - x = 4
  B) y + 2x = 3
  C) y + 2x = 5
  D) 2y - x = 2
  Show Answer
  The correct answer is D .
• Question 1086: Simplify $\frac{2\sqrt{2}-\sqrt{3}}{\sqrt{2}+\sqrt{3}}$ Options:
  A) 3$\sqrt{6}-7$
  B) 3$\sqrt{6}-7$
  C) 3$\sqrt{6}-1$
  D) 3$\sqrt{6}+1$
  Show Answer
  The correct answer is A .
• Question 1087:

  Give the number of significant figures of the population of a town which has approximately 5,020,700 people

  Options:
  A) 7 significant figures
  B) 3 significant figures
  C) 4 significant figures
  D) 5 significant figures
  Show Answer
  The correct answer is D .
• Question 1088: The minimum point on the curve y = x² - 6x + 5 is at Options:
  A) (1, 5)
  B) (2, 3)
  C) (-3, -4)
  D) (3, -4)
  Show Answer
  The correct answer is D .
• Question 1089:

  

  In the figure, the line segment ST is tangent to two circles at S and T. O and Q are the centres of the circles with OS = 5cm. QT = 2cm and OR = 14cm. Find ST

  Options:
  A) 7 $\sqrt{3}$cm
  B) 12.9cm
  C) $\sqrt{87}$cm
  D) 7cm
  Show Answer
  The correct answer is B .
• Question 1090: If y = 2x² + 9x - 35. Find the range of values for which y < 0. Options:
  A) 7 < x < $\frac{5}{2}$
  B) -5 < 7 < x
  C) -7 < x < 5
  D) -7 < x < $\frac{5}{2}$
  Show Answer
  The correct answer is D .