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 1111:

  

  (Numbers indicate the lengths of the sides of the triangles) If the area of $△$ PQR is k²sq. units what is the area of the shades portion?

  Options:
  A) $\frac{5}{9}$k² sq. units
  B) $\frac{1}{3}$k² sq. units
  C) $\frac{8}{9}$k² sq. units
  D) $\frac{7}{9}$k² sq. units
  E) $\frac{2}{3}$k² sq. u
  Show Answer
  The correct answer is A .
• Question 1112:

  Determine the value of ${\int }_0^{\frac{\pi }{2}}(-2cosx)dx$

  Options:
  A) -2
  B) -¹/₂
  C) -3
  D) -³/₂
  Show Answer
  The correct answer is A .
• Question 1113:

  Simplify $\sqrt[3]{(64r^6{)}^{\frac{1}{2}}}$

  Options:
  A) $\frac{r}{2}$
  B) 2r
  C) $\frac{1}{2r}$
  D) $\frac{2}{r}$
  E) 64r
  Show Answer
  The correct answer is E .
• Question 1114: If 27^{x + 2} $÷$ 9^{x + 1} = 3^2x, find x Options:
  A) 3
  B) 4
  C) 5
  D) 6
  Show Answer
  The correct answer is B .
• Question 1115: The sum of the progression is 1 + x + x² + x³ + ...... Options:
  A) $\frac{1}{1-x}$
  B) $\frac{1}{1+x}$
  C) $\frac{1}{x-1}$
  D) $\frac{1}{x}$
  Show Answer
  The correct answer is A .
• Question 1116: Express the product of 0.21 and 0.34 in standard form Options:
  A) 7.14 x 10^-3
  B) 7.14 x 10^-2
  C) 7.14 x 10^-1
  D) 7.14 x 10^-4
  Show Answer
  The correct answer is B .
• Question 1117:

  

  In the figure above, |CD| is the base of the triangle CDE. Find the area of the figure to the nearest whole number.

  Options:
  A) 56 cm${}^2$
  B) 24 cm${}^2$
  C) 42 cm${}^2$
  D) 34 cm${}^2$
  Show Answer
  The correct answer is D .
• Question 1118:

  If (x + 2) and (x - 1) are factors of the expression $Lx+2k{x}^2+24$, find the values of Land k.

  Options:
  A) l = -12, k = -6
  B) l = -2 , k = 1
  C) l = -2 , k = -1
  D) l = 0, k = 1
  Show Answer
  The correct answer is A .
• Question 1119:

  

  The table above shows the frequency distribution of the ages (in years) of pupils in a certain secondary school. What percentage of the total number of pupils is over 15 years but less than 21 years?

  Options:
  A) 35%
  B) 45%
  C) 50%
  D) 60%
  Show Answer
  The correct answer is C .
• Question 1120: Evaluate $\int$(cos4x + sin3x)dx Options:
  A) sin4x - cos3x + k
  B) sin4x + cos3x + k
  C) $\frac{1}{4}$sin4x - $\frac{1}{3}$cos3x + k
  D) $\frac{1}{4}$sin4x + $\frac{1}{3}$cos3x + k
  Show Answer
  The correct answer is C .