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 211: A bowl is designed by revolving completely the area enclosed by y = x² - 1, y = 3 and x ≥ 0 around the axis. What is the volume of this bowl? Options:
  A) 7π cubic units
  B) 15π/2 cubic units
  C) 8π cubic units
  D) 17π/2 cubic units
  Show Answer
  The correct answer is B .
• Question 212: Oke deposited ₦800.00 in the bank at the rate of 12$\frac{1}{2}$% simple interest. After some time the total amount was one and half times the principal. For how many years was the money left in the bank? Options:
  A) 2$\frac{2}{3}$
  B) 4
  C) 5$\frac{1}{3}$
  D) 8
  Show Answer
  The correct answer is B .
• Question 213:

  If P = [$\frac{Q(R-T)}{15}$] ${}^{\frac{1}{3}}$ make T the subject of the relation

  Options:
  A) T = $\frac{R+P^3}{15Q}$
  B) T = $\frac{R-15P^3}{Q}$
  C) T = $\frac{R-15P^3}{Q}$
  D) T = $\frac{15R-Q}{P^3}$
  Show Answer
  The correct answer is C .
• Question 214: One of the following statements is wrong. Which is it? Options:
  A) If a triangle is equiangular then it is also equilateral
  B) If a triangle is equilateral then it is also then it is also equiangular
  C) If two triangles are similar then they are also congurent
  D) The sum of the interior angles of any triangle is 180 degrees
  Show Answer
  The correct answer is C .
• Question 215: The cost of production of an article is made up as follows: Labour ₦70, Power ₦15, Materials ₦30, Miscellaneous ₦5. Find the angle of the sector representing Labour in a pie chart Options:
  A) 210^o
  B) 105^o
  C) 105^o
  D) 175^o
  E) 90^o
  Show Answer
  The correct answer is A .
• Question 216: Simplify √30 × √40 Options:
  A) 10 √3
  B) 5 √3
  C) 20 √3
  D) 15 √3
  Show Answer
  The correct answer is C .
• Question 217: Simplify 16$\frac{1}{2}$ x 4$\frac{1}{2}$ x 27$\frac{1}{3}$ Options:
  A) $\frac{3}{8}$
  B) $\frac{2}{3}$
  C) $\frac{3}{4}$
  D) $\frac{3}{2}$
  Show Answer
  The correct answer is A .
• Question 218: Find the equation of the straight line through (-2, 3) and perpendicular to 4x + 3y - 5 = 0 Options:
  A) 3x - 4y + 18 = 0
  B) 3x + 2y - 18 = 0
  C) 4x + 5y + 3 = 0
  D) 5x - 2y - 11 = 0
  Show Answer
  The correct answer is A .
• Question 219: Triangle OPQ above is the solution of the inequalities Options:
  A) x + 1 ≥ 0, y + x ≤ 0, y - x ≥ 0
  B) y + x ≤ 0, y - x ≥ 0, x -1 ≥ 0
  C) x - 1 ≤ 0, y - x ≥ o, y + x ≥ 0
  D) x - 1 ≤ 0, y + x ≤ 0, y - x ≤ 0
  Show Answer
  The correct answer is A .
• Question 220:

  A student is using a graduated cylinder to measure the volume of water and reports a reading of 18 mL. The teacher reports the value as 18.4 mL. What is the student's percent error?

  Options:
  A) 2.17%
  B) 1.73%
  C) 2.23%
  D) 1.96%
  Show Answer
  The correct answer is A .