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 1061: If f(x) = 2(x - 3)² + 3(x - 3) + 4 and g(y) = 5 + y, find g [f(3)] and f[g(4)]. Options:
  A) 3 and 4
  B) -3 and 4
  C) -3 and -4
  D) 3 and -4
  E) 0 and 5
  Show Answer
  The correct answer is A .
• Question 1062: If x is jointly proportional to the cube of y and the fourth power of z. In what ratio is x increased or decreased when y is halved and z is doubled? Options:
  A) 4:1 increase
  B) 2:1 increase
  C) 1:1 no change
  D) 1:4 decrease
  E) 3:4 decrease
  Show Answer
  The correct answer is B .
• Question 1063: The value of $(0.303{)}^3-(0.02{)}^3$ is Options:
  A) 0.019
  B) 0.0019
  C) 0.00019
  D) 0.000019
  E) 0.0278
  Show Answer
  The correct answer is E .
• Question 1064: Simplify $\frac{1-x^2}{x-x^2}$, where x $\ne$ 0 Options:
  A) $\frac{1}{x}$
  B) $\frac{1-x}{x}$
  C) $\frac{1+x}{x}$
  D) $\frac{1}{x-1}$
  E) $\frac{-x-1}{1}$
  Show Answer
  The correct answer is C .
• Question 1065: x is a point due east of point Y on a coast Z is another point on the coast but 63m due south of y. If the distance ZX is 12Km. Calculate the bearing of Z from X Options:
  A) 240^o
  B) 210^o
  C) 150^o
  D) 60^o
  Show Answer
  The correct answer is B .
• Question 1066:

  The ratio of the length of two similar rectangular blocks is 2 : 3. If the volume of the larger block is 351cm${}^3$, then the volume of the other block is?

  Options:
  A) 234.00 cm³
  B) 526.50 cm³
  C) 166.00 cm³
  D) 687cm³
  Show Answer
  The correct answer is A .
• Question 1067: Write h in terms of a, b, c, d if a = $\frac{b(1-ch)}{a-dh}$ Options:
  A) h = $\frac{a-b}{ad}$
  B) h = $\frac{1-b}{ad-bc}$
  C) h = $\frac{(a-b{)}^2}{ad-bc}$
  D) h = $\frac{a-b}{ad-bc}$
  E) h = $\frac{b-a}{ab-dc}$
  Show Answer
  The correct answer is D .
• Question 1068:

  

  In the figure, find angle x

  Options:
  A) 100${}^{\circ }$
  B) 120${}^{\circ }$
  C) 60${}^{\circ }$
  D) 110${}^{\circ }$
  E) 140${}^{\circ }$
  Show Answer
  The correct answer is E .
• Question 1069:

  A cylindrical tank has a capacity of 3080 m³. What is the depth of the tank if the diameter of its base is 14 m?

  (Take pi = 22/7)

  Options:
  A) 23 m
  B) 25 m
  C) 20 m
  D) 22 m
  Show Answer
  The correct answer is C .
• Question 1070:

  If the simple interest on a sum of money invested at 3% per annum for 2$\frac{1}{2}$  years is ₦123, find the principal.

  Options:
  A) ₦676.50
  B) ₦820
  C) ₦1,640
  D) ₦4,920
  Show Answer
  The correct answer is C .