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 711: Evaluate $\frac{81.81+99.44}{20.09+36.16}$ correct to 3 significant figures. Options:
  A) 6.21
  B) 3.22
  C) 2.78
  D) 2.13
  Show Answer
  The correct answer is B .
• Question 712:

  

  From the figure above, what is the value of p?

  Options:
  A) 135${}^{\circ }$
  B) 90${}^{\circ }$
  C) 60${}^{\circ }$
  D) 45${}^{\circ }$
  Show Answer
  The correct answer is B .
• Question 713: If f(x) = 2x² - 5x + 3, find f(x + 1) Options:
  A) 2x² - x
  B) 2x² - x + 10
  C) 4x² + 3x + 2
  D) 4x² + 3x + 12
  Show Answer
  The correct answer is A .
• Question 714:

  The area of a square is 144 sq cm. Find the length of its diagonal

  Options:
  A) 11$\sqrt{3}$cm
  B) 12cm
  C) 12$\sqrt{2}$cm
  D) 13cm
  Show Answer
  The correct answer is C .
• Question 715: If $\theta$ = $\frac{3}{2}$ and $\theta$ is less than 90${}^{\circ }$, calculate tan $\frac{(90-\theta )}{co{s}^2\theta }$ Options:
  A) $\frac{1}{2}$
  B) $\frac{4}{\sqrt{3}}$
  C) $\sqrt{3}$
  D) 4$\sqrt{3}$
  Show Answer
  The correct answer is B .
• Question 716: The n^th term of the progression $\frac{4}{2}$, $\frac{7}{3}$, $\frac{10}{4}$, $\frac{13}{5}$ is ... Options:
  A) $\frac{1-3n}{n+1}$
  B) $\frac{3n+1}{n+1}$
  C) $\frac{3n+1}{n-1}$
  D) $\frac{3n-1}{n+1}$
  Show Answer
  The correct answer is B .
• Question 717: Find the capacity in litres of a cylindrical well of radius 1 meter and depth 14 metres. Options:
  A) 44 000 litres
  B) 4400 litres
  C) 440 litres
  D) 44 litres
  Show Answer
  The correct answer is C .
• Question 718: Each of the interior angles of a regular polygon is 140^o. How many sides has the polygon? Options:
  A) 9
  B) 8
  C) 7
  D) 5
  Show Answer
  The correct answer is A .
• Question 719:

  Two numbers are removed at random from the numbers 1, 2, 3 and 4. What is the probability that the sum of the numbers removed is even?

  Options:
  A) $\frac{2}{3}$
  B) $\frac{1}{2}$
  C) $\frac{1}{3}$
  D) $\frac{1}{4}$
  Show Answer
  The correct answer is B .
• Question 720: Differentiate (2x+5)²(x-4) with respect to x. Options:
  A) 4(2x+5)(x-4)
  B) 4(2x+5)(4x-3)
  C) (2x+5)(2x-13)
  D) (2x+5)(6x-11)
  Show Answer
  The correct answer is D .