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 2131:

  

  The cumulative frequency curve above shoes the distribution of the scores of 50 students in an examination. Find the 36th percentile scores

  Options:
  A) 18%
  B) 28%
  C) 36%
  D) 50%
  Show Answer
  The correct answer is B .
• Question 2132:

  

  Calculate the volume of the regular three-dimensional figure drawn above, where <ABC = 90° (a right-angled triangle).

  Options:
  A) 394 cm${}^3$
  B) 425 cm${}^3$
  C) 268 cm${}^3$
  D) 540 cm${}^3$
  Show Answer
  The correct answer is D .
• Question 2133:

  The cost C of running a school is directly proportional to the number of students N, if 20 students cost #10,000, How many students can #1,000,000 cover?

  Options:
  A) 3000
  B) 1000
  C) 2000
  D) 4000
  Show Answer
  The correct answer is C .
• Question 2134: From two points x and y, 8m apart, and in line with a pole, the angle of elevation of the top of the pole are 30^o and 60^o respectively. Fins the height of the pole assuming that x, y and the foot of the pole are the same horizontal plane and x and y are on the same side of the pole. Options:
  A) $\sqrt{6}$
  B) 4$\sqrt{3}$
  C) $\sqrt{3}$
  D) $\frac{12}{\sqrt{3}}$
  Show Answer
  The correct answer is B .
• Question 2135:

  Find the area bounded by the curve y = x(2-x). The x-axis, x = 0 and x = 2.

  Options:
  A) 4 sq units
  B) 2 sq units
  C) $\frac{4}{3}$ sq units
  D) $\frac{1}{3}$ sq units
  Show Answer
  The correct answer is C .
• Question 2136:

  $\begin{array}{cccccc}x& 1& 2& 3& 4& 5\\ f& 2& 1& 2& 1& 2\end{array}$

  Find the variance of the frequency distribution above

  Options:
  A) $\frac{3}{2}$
  B) $\frac{9}{4}$
  C) $\frac{5}{2}$
  D) 3
  Show Answer
  The correct answer is B .
• Question 2137: If p : q = $\frac{2}{3}$ : $\frac{5}{6}$ and q : r = $\frac{3}{4}$ : $\frac{1}{2}$, find p : q : r Options:
  A) 12 : 15 : 10
  B) 12 : 15 : 16
  C) 10 : 15 : 24
  D) 9 : 10 : 15
  Show Answer
  The correct answer is A .
• Question 2138: If P = {1,2,3,4,5} and P $\cup$ Q = {1,2,3,4,5,6,7}, list the elements in Q Options:
  A) {6}
  B) {7}
  C) {6,7}
  D) {5,6}
  Show Answer
  The correct answer is C .
• Question 2139:

  Evaluate ${}^{n^2+1}$C${}_{n+5}$ if n = 3

  Options:
  A) 55
  B) 45
  C) 35
  D) 25
  Show Answer
  The correct answer is B .
• Question 2140: 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 .