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 1491: The probability of a student passing any examination is ²/₃. If the students takes three examination, what is the probability that he will not pass any of them Options:
  A) ²/₃
  B) ⁴/₉
  C) ⁸/₂₇
  D) ¹/₂₇
  Show Answer
  The correct answer is D .
• Question 1492:

  The area of an ellipse is 132cm². The length of its major axis is 14cm. Find the length of it minor axis.

  Options:
  A) 10.5cm
  B) 5cm
  C) 10cm
  D) 12cm
  Show Answer
  The correct answer is D .
• Question 1493: Find the size of each exterior angle of a regular octagon. Options:
  A) 45^o
  B) 40^o
  C) 51^o
  D) 36^o
  Show Answer
  The correct answer is A .
• Question 1494: ($\frac{x^a}{x^b}$)^{a + b} by ($\frac{x^{a+b}}{x^{a-b}}$)^{$\frac{a^2}{b}$} Options:
  A) x^-a2
  B) x^b2
  C) x^{a2 - b2}
  D) $\frac{1}{x^{a2+b2}}$
  E) x^{b2 - a2}
  Show Answer
  The correct answer is D .
• Question 1495: The ratio of the base area of a hollow cone to that of its curved surface is 1:4. If its base radius is 7cm, calculate the slant height of the cone Options:
  A) 7cm
  B) 22cm
  C) 28cm
  D) 49cm
  E) 154cm
  Show Answer
  The correct answer is C .
• Question 1496:

  

  Use the cumulative frequency curve to answer the question.
  What is the 80th percentile?

  Options:
  A) 45.5
  B) 46.5
  C) 47.5
  D) 48.5
  Show Answer
  The correct answer is C .
• Question 1497:

  The locus of a point which moves so that it is equidistant from two intersecting straight lines is the?

  Options:
  A) perpendicular bisector of the two lines
  B) angle bisector of the two lines
  C) bisector of the two lines
  D) line parallel to the two lines
  Show Answer
  The correct answer is B .
• Question 1498:

  

  (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 1499:

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

  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 1500: Make $\frac{a}{x}$ the subject of formula $\frac{x+1}{x-a}$ Options:
  A) $\frac{m-1}{m+1}$
  B) $\frac{m+1}{1-m}$
  C) $\frac{m-1}{1+m}$
  D) $\frac{m+1}{m-1}$
  Show Answer
  The correct answer is A .