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 1671: Evaluate $\frac{0.36\times 5.4\times 0.63}{4.2\times 9.0\times 2.4}$ Options:
  A) 0.013
  B) 0.014
  C) 0.14
  D) 0.13
  Show Answer
  The correct answer is A .
• Question 1672:

  A boy walks 800m in 20 minutes. Calculate his average speed in km/h.

  Options:
  A) 2.4
  B) 4
  C) 24
  D) 4.2
  Show Answer
  The correct answer is A .
• Question 1673: Simplify (25)^-1/₂ x (27)¹/₃ + (121)^-1/₂ x (625)^-1/₄ Options:
  A) ³⁴/₅₅
  B) ⁹/₁₁
  C) ¹⁴/₅
  D) ³/₂₇₅
  Show Answer
  The correct answer is A .
• Question 1674: Multiply x² + x + 1 by x² - x + 1 Options:
  A) x⁴ - x + x²
  B) x⁴ - x² + x²
  C) x⁴ + x² + 1
  D) x⁴ + x²
  Show Answer
  The correct answer is C .
• Question 1675: If x + $\frac{1}{x}$ = 4, find x² + $\frac{1}{x^2}$ Options:
  A) 16
  B) 14
  C) 12
  D) 9
  Show Answer
  The correct answer is B .
• Question 1676: In a class of 150 students, the sector in a pie chart representing the students offering Physics has angle 12^o. How many students are offering Physics? Options:
  A) 18
  B) 15
  C) 10
  D) 5
  Show Answer
  The correct answer is D .
• Question 1677: 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 1678: What is the mean of the data t, 2t-1, t-2, 2t-1, 4t and 2t+2? Options:
  A) 2t
  B) 2t-1
  C) ²/₃t+1
  D) 2t-¹/₃
  Show Answer
  The correct answer is D .
• Question 1679: Simplify $\frac{lo{g}_{10}8}{lo{g}_{10}4}$ Options:
  A) log10²
  B) log10⁴
  C) $\frac{3}{2}$
  D) 2
  E) None of the above
  Show Answer
  The correct answer is C .
• Question 1680:

  If $\left|\begin{array}{cc}2& -4\\ x& 9\end{array}\right|=58$, find the value of x.

  Options:
  A) 10
  B) 30
  C) 14
  D) 28
  Show Answer
  The correct answer is A .