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 1891:

  

  In the diagram above, a cylinder is summounted by a hemisphere bowl. Calculate the volume of the solid.

  Options:
  A) 180 πcm³
  B) 162 πcm³
  C) 216 πcm³
  D) 198 πcm³
  Show Answer
  The correct answer is D .
• Question 1892: Find the distance between two towns p(45^o N, 30^oW) and Q(15^oS, 30^oW) if the radius of the earth is 7000km. [$\pi =\frac{22}{7}$] Options:
  A) $\frac{1100}{3}$km
  B) $\frac{2200}{3}$km
  C) $\frac{22000}{3}$km
  D) $\frac{1100}{3}$km
  Show Answer
  The correct answer is C .
• Question 1893:

  Integrate (2x+1)${}^3$

  Options:
  A) $\frac{{2x+1}^3}{8}$ + C
  B) $\frac{{2x+1}^4}{8}$ + C
  C) $\frac{{2x+1}^4}{4}$ + C
  D) $\frac{{2x+1}^2}{6}$ + C
  Show Answer
  The correct answer is B .
• Question 1894: Given log 2 = 0.69, log3 = 1, 10 and log7 = 1.90, all to a fixed base, find log 10.5 to the same base without using tables. Options:
  A) 1.03
  B) 2.31
  C) 3.69
  D) 10.5
  E) 25
  Show Answer
  The correct answer is B .
• Question 1895: A sector of angle 120° is cut out from a circle of radius 13.5cm. what area of the circle is remaining ? (π = $\frac{22}{7}$) Options:
  A) 14.1cm²
  B) 95.5cm²
  C) 190.9cm²
  D) 381.9cm²
  E) 763.7cm²
  Show Answer
  The correct answer is D .
• Question 1896: 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 1897: If sinx^o = what is sin (90 - x)^o? Options:
  A) $\frac{\sqrt{b^2-a^2}}{b}$
  B) 1$\frac{-a}{b}$
  C) $\frac{b^2-a^2}{b}$
  D) $\frac{a^2-b^2}{b}$
  E) $\sqrt{b^2-a^3}$
  Show Answer
  The correct answer is A .
• Question 1898:

  Simplify and express in standard form $\frac{0.00275\times 0.00640}{0.025\times 0.08}$

  Options:
  A) 8.8 x 10^-1
  B) 8.8 x 10^-2
  C) 8.8 x 10^-3
  D) 8.8 x 10³
  Show Answer
  The correct answer is C .
• Question 1899: 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 1900:

  The goals scored by 40 football teams from three league divisions are recorded below

  No of goals	0	1	2	3	4	5	6
  Frequency	4	3	15	16	1	0	1

  What is the total number of goals scored by all the teams?

  Options:
  A) 21
  B) 40
  C) 91
  D) 96
  Show Answer
  The correct answer is C .