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 911: Evaluate $\frac{\frac{1}{10}\times \frac{2}{3}+\frac{1}{4}}{\frac{\frac{1}{2}}{\frac{3}{5}}-\frac{1}{4}}$ Options:
  A) $\frac{7}{12}$
  B) $\frac{19}{35}$
  C) $\frac{2}{25}$
  D) $\frac{19}{60}$
  Show Answer
  The correct answer is B .
• Question 912:

  

  Find the curved surface area of the frustrum in the figure.

  Options:
  A) 16$\pi \sqrt{10}$cm²
  B) 20$\pi \sqrt{10}$cm²
  C) 24$\pi \sqrt{10}$cm²
  D) 36$\pi \sqrt{10}$cm²
  Show Answer
  The correct answer is B .
• Question 913: Obi borrows ₦10.00 at 2% per month simple interest and repays ₦8.00 after 4 months, how much does he still owe? Options:
  A) ₦10.80
  B) ₦10.65
  C) ₦2.80
  D) ₦2.67
  Show Answer
  The correct answer is C .
• Question 914: A student has 5 courses to take from Mathematics and physics. There are 4 courses in Mathematics and 3 in Physics which he can choose his courses so that he takes exactly two courses in Physics? Options:
  A) 48
  B) 12
  C) 10
  D) 7
  Show Answer
  The correct answer is B .
• Question 915:

  If (x - a) is a factor of bx - ax + x², find the other factor.

  Options:
  A) (x + b)
  B) (x - b)
  C) (a + b)
  D) (a - b)
  Show Answer
  The correct answer is A .
• Question 916: The mean age of 12 boys involved survey is 19 years, 3 months. lf the-age of one of the boys is 22 years, what is the mean age of the other-boys? Options:
  A) 10.5 years
  B) 19.0 years
  C) 35.4 years
  D) 264.0 years
  E) 423.5 years
  Show Answer
  The correct answer is B .
• Question 917: Given T = {even numbers from 1 to 12}
  N = {common factors of 6, 8 and 12}
  Find T ∩ N Options:
  A) {2, 3}
  B) {2, 3, 4}
  C) {3, 4, 6}
  D) {2}
  Show Answer
  The correct answer is D .
• Question 918:

  Simplify 25${}^{\frac{1}{2}}$ × 8${}^{\frac{-2}{3}}$

  Options:
  A) 1$\frac{1}{4}$
  B) 2$\frac{1}{4}$
  C) 6
  D) 10
  Show Answer
  The correct answer is A .
• Question 919: Find the distance between two towns p(45^o N, 30^oW) and Q(15^oS, 30^oW) if the radius of the earth is 7000km. [$\pi =\frac{22}{7}$] Options:
  A) $\frac{1100}{3}$km
  B) $\frac{2200}{3}$km
  C) $\frac{22000}{3}$km
  D) $\frac{1100}{3}$km
  Show Answer
  The correct answer is C .
• Question 920: If y = (2x + 1)³, find $\frac{dy}{dx}$ Options:
  A) 6(2x + 1)
  B) 3(2x + 1)
  C) 6(2x + 1)²
  D) 2(2x + 1)²
  Show Answer
  The correct answer is C .