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 1931:

  If the binary operation $\ast$ is defined by m $\ast$ n = mn + m + n for any real number m and n, find the identity of the elements under this operation

  Options:
  A) e = 1
  B) e = -1
  C) e = -2
  D) e = 0
  Show Answer
  The correct answer is D .
• Question 1932: Find correct to two decimals places 100 + $\frac{1}{100}$ + $\frac{3}{1000}$ + $\frac{27}{10000}$ Options:
  A) 100.02
  B) 1000.02
  C) 100.22
  D) 100.01
  E) 100.51
  Show Answer
  The correct answer is A .
• Question 1933:

  $\frac{0.00256\times 0.0064}{0.025\times 0.08}$

  Options:
  A) 8.8 x 10${}^{-1}$
  B) 8.8 x 10${}^{-2}$
  C) 8.8 x 10${}^{-3}$
  D) 8.8 x 10${}^3$
  Show Answer
  The correct answer is C .
• Question 1934: If P = $\sqrt{\frac{r{s}^3}{t}}$, express r in terms of p, s and t. Options:
  A) $\frac{p^{2}t}{s^3}$
  B) $\frac{p^{3}t}{s^3}$
  C) $\frac{p^{3}t}{s^2}$
  D) $\frac{pt}{s^3}$
  Show Answer
  The correct answer is A .
• Question 1935: In a school, 220 students offer Biology or Mathematics or both, 125 offer Biology and 110 Mathematics. How many offer Biology but not Mathematics? Options:
  A) 95
  B) 80
  C) 125
  D) 110
  E) 120
  Show Answer
  The correct answer is D .
• Question 1936: Find the eleventh term of the progression 4, 8, 16..... Options:
  A) 2¹³
  B) 2¹²
  C) 2¹¹
  D) 2¹⁰
  Show Answer
  The correct answer is B .
• Question 1937: If $P=\sqrt{\frac{r{s}^3}{t}}$, express r in terms of p, s and t Options:
  A) $\frac{p^{2}t}{s^3}$
  B) $\frac{p^{3}t}{s^3}$
  C) $\frac{p^{3}t}{s^2}$
  D) $\frac{p^t}{s^3}$
  Show Answer
  The correct answer is A .
• Question 1938:

  

  Find the x co-ordinates of the points of intersection of the two equations in the graph.

  Options:
  A) 1, 1
  B) 0, 4
  C) 0, 0
  D) 4, 0
  E) 4, 9
  Show Answer
  The correct answer is D .
• Question 1939: 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 1940: What must be added to 4x² - 4 to make it a perfect square? Options:
  A) $\frac{-1}{x^2}$
  B) $\frac{1}{x^2}$
  C) 1
  D) -1
  Show Answer
  The correct answer is B .