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 1921: Simplify $\frac{x+2}{x+1}$ - $\frac{x-2}{x+2}$ Options:
  A) $\frac{3}{x+1}$
  B) $\frac{3x+2}{(x+1)(x+2)}$
  C) $\frac{5x+6}{(x+1)(x+2)}$
  D) $\frac{2x^2+5x+2}{(x+1)(x+2)}$
  Show Answer
  The correct answer is C .
• Question 1922: Twenty girls and y boys sat on an examination. The mean marks obtained by the girls and boys were 52 and 57 respectively. if the total score for both girls and boys was 2950, find y. Options:
  A) 51
  B) 48
  C) 30
  D) 25
  E) 18
  Show Answer
  The correct answer is C .
• Question 1923:

  If $\left[\begin{array}{cc}x& 3\\ 2& 7\end{array}\right]$= 15, find the value of x.

  Options:
  A) 3
  B) 4
  C) 5
  D) 2
  Show Answer
  The correct answer is A .
• Question 1924:

  Two dice are tossed. What is the probability that the total score is a prime number.

  Options:
  A) $\frac{5}{12}$
  B) $\frac{5}{9}$
  C) $\frac{1}{6}$
  D) $\frac{1}{3}$
  Show Answer
  The correct answer is A .
• Question 1925: Integrate $\frac{1}{x}$ + cos x with respect to x Options:
  A) -$\frac{1}{x^2}$ + sin x + k
  B) x + sin x - k
  C) x - sin x + k
  D) -$\frac{1}{x^2}$ - sin x + k
  Show Answer
  The correct answer is C .
• Question 1926: Simplify $\frac{3}{5}÷(\frac{2}{7}\times \frac{4}{3}÷\frac{4}{9})$ Options:
  A) $\frac{4}{5}$
  B) $\frac{7}{10}$
  C) $\frac{6}{6}$
  D) $\frac{21}{6}$
  Show Answer
  The correct answer is B .
• Question 1927: Make L the subject of the formula if d = $\sqrt{\frac{42W}{5L}}$ Options:
  A) $\frac{1}{d}\sqrt{\frac{42W}{5}}$
  B) $\frac{42}{5dW}$
  C) $\sqrt{\frac{42W}{5d}}$
  D) $\frac{42W}{5d^2}$
  Show Answer
  The correct answer is D .
• Question 1928:

  The coordinates of the mid-point of the line joining the points (-3,5) and (2,10) is given by?

  Options:
  A) ( $\frac{1}{2}$, $\frac{15}{2}$ )
  B) ( $\frac{1}{2}$, $\frac{-15}{2}$ )
  C) ( $\frac{-1}{2}$, $\frac{-15}{2}$ )
  D) ( $\frac{-1}{2}$, $\frac{15}{2}$ )
  Show Answer
  The correct answer is D .
• Question 1929:

  

  The venn diagram above shows a class of 40 students with the games they play. How many of the students play two games only?

  Options:
  A) 19
  B) 16
  C) 15
  D) 4
  Show Answer
  The correct answer is C .
• Question 1930:

  $\frac{\frac{2}{3}÷\frac{4}{5}}{\frac{1}{4}+\frac{3}{5}-\frac{1}{3}}$

  Options:
  A) $\frac{31}{50}$
  B) $\frac{20}{31}$
  C) $\frac{31}{20}$
  D) $\frac{50}{31}$
  Show Answer
  The correct answer is D .