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 1751: A stone Q is tied to a point P vertically above Q by an inelastic string of length 2 meters. How high does the stone rise when the string is inclined at an angle 60^o to the vertical? Options:
  A) It does not rise
  B) 2$\sqrt{3}$ meters
  C) 3 meters
  D) 1 meters
  E) 3
  Show Answer
  The correct answer is D .
• Question 1752:

  $\begin{array}{ccccccc}\text{Marks}& 3& 4& 5& 6& 7& 8\\ \text{Frequency}& 5& y-1& y& 9& 4& 1\end{array}$

  The table above gives the frequency distribution of marks obtained by a group of students in a test. If the total mark scored is 200, the value of y is

  Options:
  A) 11
  B) 15
  C) 9
  D) 13
  Show Answer
  The correct answer is A .
• Question 1753: If sin $\theta$ = $\frac{m-n}{m+n}$; Find the value of 1 + tan²$\theta$ Options:
  A) $\frac{(m^2+n^2)}{m+n}$
  B) $\frac{(m^2+n^2+2mm)}{4mn}$
  C) $\frac{2(m^2+n^2+mn)}{m+n}$
  D) $\frac{(m^2+n^2+mn)}{m+n}$
  Show Answer
  The correct answer is B .
• Question 1754: Correct 241.34(3 x 10^-3)² to 4 significant figures Options:
  A) 0.0014
  B) 0.001448
  C) 0.0022
  D) 0.002172
  Show Answer
  The correct answer is D .
• Question 1755: Simplify $\frac{1}{(x+1)}+\frac{1}{(x-1)}$ Options:
  A) 2x/(x + 1)(x−3)
  B) 2/(x + 1)(x−1)
  C) 2x/(x + 1)2
  D) 2x(x+1)2
  Show Answer
  The correct answer is B .
• Question 1756: Given that for sets A and B, in a universal set E, A $\subseteq$ B then A $\cap$(A $\cap$ B)¹ is Options:
  A) A
  B) $\varphi$
  C) B
  D) E
  Show Answer
  The correct answer is B .
• Question 1757: 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 1758: 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 1759: The solution to the simultaneous equations 3x + 5y = 4, 4x + 3y = 5 is Options:
  A) ($\frac{-13}{11},\frac{1}{11}$)
  B) ($\frac{13}{11},\frac{1}{11}$)
  C) ($\frac{13}{11},\frac{-1}{11}$)
  D) ($\frac{11}{13},\frac{1}{11}$)
  E) (13, 11)
  Show Answer
  The correct answer is B .
• Question 1760:

  A car uses one litre of petrol for every 14km. If one litre of petrol cost ₦63.00, how far can the car go with ₦900.00 worth of petrol?

  Options:
  A) 420km
  B) 405km
  C) 210km
  D) 200km
  Show Answer
  The correct answer is D .