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 851: If the lines 3y = 4x - 1 and qy = x + 3 are parallel to each other, the value of q is Options:
  A) -⁴/₃
  B) -³/₄
  C) ⁴/₃
  D) ³/₄
  Show Answer
  The correct answer is D .
• Question 852: If 3x - $\frac{1}{4}$^{-$\frac{1}{2}$} > $\frac{1}{4}$ - x, then the interval of values of x is
  Options:
  A) x > $\frac{1}{3}$
  B) x < $\frac{1}{3}$
  C) x < $\frac{1}{4}$
  D) x < $\frac{9}{16}$
  E) x > $\frac{9}{16}$
  Show Answer
  The correct answer is E .
• Question 853: Given the scores: 4, 7, 8, 11, 13, 8 with corresponding frequencies: 3, 5, 2, 7, 2, 1 respectively. Find the square of the mode. Options:
  A) 49
  B) 121
  C) 25
  D) 64
  Show Answer
  The correct answer is B .
• Question 854:

  

  In a class of 30 students, the marks scored in an examination are displayed in the histogram. What percentage of the student scored more than 40%?

  Options:
  A) 14%
  B) 40%
  C) 40$\frac{3}{4}$%
  D) 53$\frac{1}{3}$%
  Show Answer
  The correct answer is C .
• Question 855: Determine the maximum value of y = 3x² - x³ Options:
  A) zero
  B) 2
  C) 4
  D) 6
  Show Answer
  The correct answer is C .
• Question 856: The solution of the quadratic equation px² + qx + b = 0 is Options:
  A) $\sqrt{\frac{-b\pm b^2-4ac}{2a}}$
  B) $\frac{-b\pm \sqrt{p^2-4pb}}{2a}$
  C) $\frac{-q\pm \sqrt{q^2-4bp}}{2p}$
  D) $\frac{-q\pm \sqrt{p^2-4bp}}{2p}$
  Show Answer
  The correct answer is C .
• Question 857: Make S the subject of the relation
  p = s + $\frac{s{m}^2}{nr}$ Options:
  A) s = $\frac{nrp}{nr+m^2}$
  B) s = nr + $\frac{m^2}{mrp}$
  C) s = $\frac{nrp}{mr}$ + m²
  D) s = $\frac{nrp}{nr}$ + m²
  Show Answer
  The correct answer is D .
• Question 858:

  $\begin{array}{cc}Class& Frequency\\ 1-5& 2\\ 6-10& 4\\ 11-15& 5\\ 16-20& 2\\ 21-25& 3\\ 26-30& 2\\ 31-35& 1\\ 36-40& 1\end{array}$

  Find the median of the observation in the table given.

  Options:
  A) 11.5
  B) 12.5
  C) 14.0
  D) 14.5
  Show Answer
  The correct answer is D .
• Question 859: If log₃18 + log₃3 - log₃x = 3, Find x. Options:
  A) 1
  B) 2
  C) o
  D) 3
  Show Answer
  The correct answer is B .
• Question 860:

  Give the number of significant figures of the population of a town which has approximately 5,020,700 people

  Options:
  A) 7 significant figures
  B) 3 significant figures
  C) 4 significant figures
  D) 5 significant figures
  Show Answer
  The correct answer is D .