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 961: Tunde and Shola can do a piece of work in 18 days. Tunde can do it alone in x days, whilst Shola takes 15 days longer to do it alone. Which of the following equations is satisfied by x? Options:
  A) x² - 5x - 10 = 0
  B) x² - 20x + 360 = 0
  C) x² - 21x - 270 = 0
  D) 3x² - 65x + 362 = 0
  Show Answer
  The correct answer is C .
• Question 962:

  A man sells different brands of an items. ${}^1{/}_9$ of the items he has in his shop are from Brand A, ${}^5{/}_8$ of the remainder are from Brand B and the rest are from Brand C. If the total number of Brand C items in the man's shop is 81, how many more Brand B items than Brand C does the shop has?

  Options:
  A) 243
  B) 108
  C) 54
  D) 135
  Show Answer
  The correct answer is C .
• Question 963:

  

  If the diagram is the graph of y = x², the shaded area is

  Options:
  A) 64 square units
  B) $\frac{126}{4}$ square units
  C) 32 square units
  D) $\frac{64}{3}$ square units
  Show Answer
  The correct answer is D .
• Question 964:

   

  The histogram above shows the ages of the victims of a pollution. How many people were involved in the pollution?

  Options:
  A) 15
  B) 18
  C) 20
  D) 21
  Show Answer
  The correct answer is C .
• Question 965: Express $\frac{1}{X^3-1}$ in partial fractions Options:
  A) 1/3{(1/x-1)-(x-2/x²-x+1)}
  B) 1/3{(1/x-1)-(x+2/x²+x+1)}
  C) 1/3{(1/x-1)-(x-2/x²+x+1)}
  D) 1/3{(1/x-1)-(x-2/x²-x-1)}
  Show Answer
  The correct answer is B .
• Question 966: Find the value of 110111₂ + 10100₂ Options:
  A) 1101011₂
  B) 1001001₂
  C) 1001011₂
  D) 1001111₂
  Show Answer
  The correct answer is C .
• Question 967: A man with an annual salary of ₦2000, has allowances of ₦600. If Income Tax is 5%, how much tax does he pay each year? Options:
  A) 15
  B) 20
  C) 30
  D) 25
  Show Answer
  The correct answer is C .
• Question 968: simplify $\frac{1}{\surd 3-2}$ - $\frac{1}{\surd 3+2}$ Options:
  A) 3
  B) $\frac{2}{3}$
  C) 7
  D) -4
  Show Answer
  The correct answer is D .
• Question 969: Find the median of the numbers 89, 141, 130, 161, 120, 131, 131, 100, 108 and 119 Options:
  A) 131
  B) 125
  C) 123
  D) 120
  Show Answer
  The correct answer is B .
• Question 970:

  

  In the diagram are two concentric circles of radii r and R respectively with centre O. If r = $\frac{2}{5}$R, express the area of the shaded portion in terms of $\pi$ and R

  Options:
  A) $\frac{5}{9}\pi R^2$
  B) $\frac{21}{25}\pi R^2$
  C) $\frac{21}{23}\pi R^2$
  D) $\frac{9}{25}\pi R^2$
  Show Answer
  The correct answer is B .