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 221: The radii of two similar cylindrical jugs are in the ratio 3:7. Calculate the ratio of their volumes Options:
  A) 1 : 04
  B) 3 : 07
  C) 9 : 49
  D) 0.086111111
  E) 27 : 343
  Show Answer
  The correct answer is E .
• Question 222: Find the x and y intercepts of the graph of 3x - z $\le$ 9 Options:
  A) (3, -9)
  B) (-3, 9)
  C) (-3, -9)
  D) (-3, 0)
  Show Answer
  The correct answer is A .
• Question 223: A cliff on the bank of a river is 300 meters high. If the angle of depression of a point on the opposite side of the river is 60^o, find the width of the river. Options:
  A) 75√3m
  B) 100√3m
  C) 200√3m
  D) 100m
  Show Answer
  The correct answer is B .
• Question 224: If x $\ast$ y = x + y², find the value of (2 $\ast$ 3)$\ast$5 Options:
  A) 25
  B) 11
  C) 55
  D) 36
  Show Answer
  The correct answer is D .
• Question 225:
  

  The pie chart shows the allocation of money to each sector in a farm. The total amount allocated to the farm is ₦ 80 000. Find the amount allocated to fertilizer

  Options:
  A) ₦ 35, 000
  B) ₦ 40,000
  C) ₦ 25,000
  D) ₦ 20,000
  Show Answer
  The correct answer is D .
• Question 226: 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 227:

  If given two points A(3, 12) and B(5, 22) on a x-y plane. Find the equation of the straight line with intercept at 2.

  Options:
  A) y = 5x + 2
  B) y = 5x + 3
  C) y = 12x + 2
  D) y = 22x + 3
  Show Answer
  The correct answer is A .
• Question 228: If the sum of the 8th and 9th terms of an arithmetic progression is 72 and the 4th term is -6, find the common difference Options:
  A) 4
  B) 8
  C) 6$\frac{2}{3}$
  D) 9$\frac{1}{3}$
  Show Answer
  The correct answer is D .
• Question 229: Simplify ¾½$6\frac{1}{12}-2¾+1½$ Options:
  A) $3\frac{5}{6}$
  B) $4\frac{5}{6}$
  C) $2\frac{1}{6}$
  D) $\frac{1}{3}$
  Show Answer
  The correct answer is B .
• Question 230:

  The table below is drawn for a graph y = x³ - 3x + 1.

  $\begin{array}{cccccccc}x& -3& -2& -1& 0& 1& 2& 3\\ y=x^3-3x+1& 1& -1& 3& 1& -1& 3& 1\end{array}$

  From x = -2 to x = 1, the graph crosses the x-axis in the range(s)

  Options:
  A) -1 < x < 0 and 0 < x < 1
  B) -2 < x < -1 and 0 < x < 1
  C) -2 < x < -1 and -1 < x < 0
  D) 0 < x < 1
  Show Answer
  The correct answer is B .