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 1291:

  

  In the Figure FD\AC, the area of AEF = 6sq.cm. AE = 3cm, BC = 3cm, CD = 5cm, < BCD is an obtuse angle. Find the length of BD.

  Options:
  A) $\sqrt{33}$
  B) 6
  C) 4
  D) 2$\sqrt{13}$
  E) 4$\sqrt{5}$
  Show Answer
  The correct answer is D .
• Question 1292: Find the value of X if $\frac{\sqrt{2}}{x+\sqrt{2}}=\frac{1}{x-\sqrt{2}}$ Options:
  A) 3√2+4
  B) 3√2-4
  C) 3-2√2
  D) 4+2√2
  Show Answer
  The correct answer is A .
• Question 1293:

  Determine the value of ${\int }_0^{\frac{\pi }{2}}(-2cosx)dx$

  Options:
  A) -2
  B) -¹/₂
  C) -3
  D) -³/₂
  Show Answer
  The correct answer is A .
• Question 1294: A man walks 100 m due West from a point X to Y, he then walks 100 m due North to a point Z. Find the bearing of X from Z. Options:
  A) 195^o
  B) 135^o
  C) 225^o
  D) 045^o
  Show Answer
  The correct answer is B .
• Question 1295: In a basket, there are 6 grapes, 11 bananas and 13 oranges. If one fruit is chosen at random. What is the probability that the fruit is either a grape or a banana Options:
  A) ⁶/₃₀
  B) ⁵/₃₀
  C) ¹⁷/₃₀
  D) ¹¹/₃₀
  Show Answer
  The correct answer is C .
• Question 1296: 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 .
• Question 1297: Factorize completely 4abx - 2axy -12b²x + 6bxy Options:
  A) 2x(a - 3b)(2b - y)
  B) 2x(3b - a)(2b - y)
  C) 2x(a - 3b)(y - 2b)
  D) 2x(2b - a)(3b - y)
  Show Answer
  The correct answer is A .
• Question 1298: When a shirt is sold for N12000.00, a loss of 20% is recorded. How much should it be sold for to gain 20%? Options:
  A) N4800.00
  B) N400
  C) N1800.00
  D) N1500.00
  E) N960.00
  Show Answer
  The correct answer is C .
• Question 1299:

  Find p, q for which $\left(\begin{array}{cc}2p& 8\\ 3& -5q\end{array}\right)$$\left(\begin{array}{c}1\\ 2\end{array}\right)$$\left(\begin{array}{c}24\\ -17\end{array}\right)$

  Options:
  A) -1, 4
  B) 4, 5
  C) 4, 2
  D) 2, -4
  Show Answer
  The correct answer is C .
• Question 1300: The variance of the scores 1, 2, 3, 4, 5 is Options:
  A) 1, 2
  B) 1, 4
  C) 2.0
  D) 3.0
  Show Answer
  The correct answer is C .