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 1711:

  Find the area bounded by the curve y = 3x² - 2x + 1, the ordinates x = 1 and x = 3 and the x-axix.

  Options:
  A) 24
  B) 22
  C) 21
  D) 20
  Show Answer
  The correct answer is D .
• Question 1712:

  

  In the diagram, XZ is the diameter of a circle's radius $\frac{5}{2}$. If XY is 4cm, then the area of the triangle XYZ is

  Options:
  A) 12cm²
  B) 28$\frac{1}{2}$cm²
  C) 16cm²
  D) 10cm²
  E) 6cm²
  Show Answer
  The correct answer is E .
• Question 1713:

  A man stands on a tree 150cm high and sees a boat at an angle of depression of 74°. Find the distance of the boat from the base of the tree.

  Options:
  A) 52cm
  B) 43cm
  C) 40cm
  D) 15cm
  Show Answer
  The correct answer is B .
• Question 1714:

  Simplify $(\sqrt[3]{64a^3}{)}^{-1}$

  Options:
  A) 4a
  B) 1/8a
  C) 8a
  D) 1/4a
  Show Answer
  The correct answer is D .
• Question 1715:

  In a sample survey of a University Community, the following table shows the percentage distribution of the number of members per household:

  $\begin{array}{cccccccccc}\text{No. of members per household}& 1& 2& 3& 4& 5& 6& 7& 8& \text{Total}\\ \text{No. of households}& 3& 12& 15& 28& 21& 10& 7& 4& 100\end{array}$

  What is the median?

  Options:
  A) 4
  B) 3
  C) 5
  D) 4.5
  E) None
  Show Answer
  The correct answer is A .
• Question 1716:

  The table below gives the scores of a group of students in a Mathematical test.

  $\begin{array}{ccccccccc}Scores& 1& 2& 3& 4& 5& 6& 7& 8\\ Frequency& 2& 4& 7& 14& 12& 6& 4& 1\end{array}$

  If the mode in m and the number of students who scored 4 or less is s. What is (s, m)?

  Options:
  A) (27, 4)
  B) (14,4)
  C) (13,4)
  D) (4,4)
  Show Answer
  The correct answer is A .
• Question 1717: Given that ${10}^x=0.2$ and ${\log }_{10}2=0.3010$, find x. Options:
  A) -1.3010
  B) -0.6990
  C) 0.6990
  D) 1.310
  E) 0.02
  Show Answer
  The correct answer is B .
• Question 1718: Find the tangent to the acute angle between the lines 2x+y = 3 and 3x-2y = 5. Options:
  A) -7/4
  B) 7/8
  C) 7/4
  D) 7/2
  Show Answer
  The correct answer is C .
• Question 1719:

  Evaluate $\frac{{27}^{\frac{1}{3}}-8^{\frac{2}{3}}}{{16}^{\frac{2}{4}}\times 2}$

  Options:
  A) $\frac{23}{5}$
  B) -$\frac{23}{5}$
  C) $\frac{1}{8}$
  D) $\frac{21}{7}$
  Show Answer
  The correct answer is C .
• Question 1720: The diameter of a metal rod is measured as 23.40 cm to four significant figures. What is the maximum error in the measurement? Options:
  A) 0.05cm
  B) 0.5cm
  C) 0.045cm
  D) 0.005cm
  E) 0.004cm
  Show Answer
  The correct answer is D .