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 981: A public car dealer marked up the cost of a car at 30% in an attempt to make 20% gross profit. Due to the value of dollar, he now placed 20% discount on the car. What profit or loss will he make? Options:
  A) 3%
  B) 2%
  C) 4%
  D) 1%
  Show Answer
  The correct answer is C .
• Question 982: Find the mean deviation of 2, 4, 5, and 9 Options:
  A) 1
  B) 2
  C) 5
  D) 7
  Show Answer
  The correct answer is B .
• Question 983:
  

  A trapezium has two parallel sides of lengths 5cm and 9cm. If the area is 91cm${}^2$, find the distance between the parallel sides

  Options:
  A) 13 cm
  B) 4 cm
  C) 6 cm
  D) 7 cm
  Show Answer
  The correct answer is A .
• Question 984:

  

  The farm yield of four crops on a piece of land in Ondo are represented on the pie chart. what is the angle of the sector occupies by Okro in the chart?

  Options:
  A) 11${}^{\circ }$
  B) 19$\frac{1}{3}$${}^{\circ }$
  C) 33$\frac{1}{3}$${}^{\circ }$
  D) 91$\frac{1}{3}$${}^{\circ }$
  E) 91${}^{\circ }$
  Show Answer
  The correct answer is B .
• Question 985: Evaluate ($\frac{1}{343}$)${}^{\frac{1}{3}}$ + (64)${}^{-\frac{1}{3}}$ - $\frac{4}{9}$${}^{-\frac{1}{2}}$ Options:
  A) -$\frac{17}{36}$
  B) -$\frac{3}{28}$
  C) $\frac{13}{28}$
  D) $\frac{17}{36}$
  E) $\frac{1}{4}$
  Show Answer
  The correct answer is B .
• Question 986: Simply $\frac{2\frac{2}{3}\times 1\frac{1}{2}}{4\frac{4}{5}}$ Options:
  A) $1\frac{1}{4}$
  B) $1\frac{1}{6}$
  C) $\frac{5}{6}$
  D) $\frac{4}{5}$
  Show Answer
  The correct answer is C .
• Question 987: The size of a quantity first doubles and then increases by a further 16%. After a short time its size decreases by 16%. What is the net increases in size of the quantity? Options:
  A) $\frac{59300}{625}$
  B) $\frac{50900}{625}$
  C) 200%
  D) +100%
  Show Answer
  The correct answer is C .
• Question 988:

  find the value of p if the line which passes through (-1, -p) and (-2,2) is parallel to the line 2y+8x-17=0?

  Options:
  A) $\frac{-2}{7}$
  B) $\frac{7}{6}$
  C) $\frac{-6}{7}$
  D) 2
  Show Answer
  The correct answer is D .
• Question 989:

  The kinetic element with respect to the multiplication shown in the diagram below is

  $\begin{array}{ccccc}\oplus & p& p& r& s\\ p& r& p& r& p\\ q& p& q& r& s\\ r& r& r& r& r\\ s& q& s& r& q\end{array}$

  Options:
  A) p
  B) q
  C) r
  D) s
  Show Answer
  The correct answer is D .
• Question 990: Resolve $\frac{3}{x^2+x-2}$ into partial fractions Options:
  A) $\frac{1}{x-1}+\frac{1}{x+2}$
  B) $\frac{1}{x+1}+\frac{1}{x-2}$
  C) $\frac{1}{x+1}-\frac{1}{x-2}$
  D) $\frac{1}{x-2}+\frac{1}{x+2}$
  Show Answer
  The correct answer is A .