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 881:

  Find p in terms of q if log₃ p + 3 log₃ q = 3

  Options:
  A) ($\frac{3}{q}$)³
  B) ($\frac{q}{3}$)^{$\frac{1}{3}$}
  C) ($\frac{q}{3}$)³
  D) ($\frac{3}{q}$)^{$\frac{1}{3}$}
  Show Answer
  The correct answer is A .
• Question 882: If P = $\frac{2}{3}$ ($\frac{1-r^2}{n^2}$), find n when r = $\frac{1}{3}$ and p = 1 Options:
  A) $\frac{3}{2}$
  B) $\frac{1}{3}$
  C) 3
  D) $\frac{2}{3}$
  Show Answer
  The correct answer is D .
• Question 883: The distance between the point (4, 3) and the intersection of y = 2x + 4 and y = 7 - x is Options:
  A) $\sqrt{13}$
  B) $3\sqrt{2}$
  C) $\sqrt{26}$
  D) $10\sqrt{5}$
  Show Answer
  The correct answer is B .
• Question 884: A man is paid r naira per hour for normal work and double rate for overtime. if he does a 35-hour week which includes q hours of overtime, what is his weekly earning in naira? Options:
  A) r(35 + q)
  B) q(35r - q)
  C) q(35 + r)
  D) r(35 + 2q)
  Show Answer
  The correct answer is D .
• Question 885:

  The cumulative frequency function of the data below is given below by the equation y = cf(x). What is cf(5)?

  $\begin{array}{cc}Score(n)& Frequency(f)\\ 3& 30\\ 4& 32\\ 5& 30\\ 6& 35\\ 8& 20\end{array}$

  Options:
  A) 30
  B) 32
  C) 55
  D) 62
  E) 92
  Show Answer
  The correct answer is E .
• Question 886: 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 887: If the function f is defined by f(x + 2) = 2x² + 7x = 5, find f(-1) Options:
  A) -10
  B) -8
  C) 4
  D) 10
  Show Answer
  The correct answer is B .
• Question 888: Thirty boys and X girls sat for a test. The mean of the boys' scores and that of the girls were respectively 6 and 8. Find 8 if the total score was 468. Options:
  A) 38
  B) 24
  C) 36
  D) 22
  E) 41
  Show Answer
  The correct answer is C .
• Question 889: A square tile has side 30cm. How many of these tiles will cover a rectangular floor of length 7.2m and width 4.2? Options:
  A) 336
  B) 420
  C) 576
  D) 720
  Show Answer
  The correct answer is A .
• Question 890: When a dealer sells a bicycle for ₦81 he makes a profit of 8%. What did he pay for the bicycle? Options:
  A) ₦73
  B) ₦74.52
  C) ₦75
  D) ₦75.52
  E) ₦87.48
  Show Answer
  The correct answer is C .