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 101: A man drove for 4 hours at a certain speed, he then doubled his speed and drove for another 3 hours. Although he covered 600 kilometers. At what speed did he drive for the last 3 hours? Options:
  A) 120km/hr
  B) 60km/hr
  C) 670km/hr
  D) 40km/hr
  Show Answer
  The correct answer is B .
• Question 102: If a{$\frac{x+1}{x-2}-\frac{x-1}{x+2}$} = 6x. Find a in its simplest form Options:
  A) x² - 1
  B) x² + 1
  C) x² + 4
  D) x² - 4
  E) 1
  Show Answer
  The correct answer is D .
• Question 103: Find the values of x and y respectively if
  $\left(\begin{array}{cc}1& 0\\ -1& -1\\ 2& 2\end{array}\right)$ + $\left(\begin{array}{cc}x& 1\\ -1& 0\\ y& -2\end{array}\right)$ = $\left(\begin{array}{cc}-2& 1\\ -2& -1\\ -30& 0\end{array}\right)$ Options:
  A) -3, -2
  B) -5, -3
  C) -2, -5
  D) -3, -5
  Show Answer
  The correct answer is D .
• Question 104: Musa borrows ₦10.00 at 2% per month simple interest and repays ₦8.00 after 4 months. How much does he still owe Options:
  A) ₦10.80
  B) ₦10.67
  C) ₦2.80
  D) ₦2.67
  Show Answer
  The correct answer is C .
• Question 105: The inverse function f(x) = 3x + 4 is Options:
  A) (x-4)/3
  B) (x-5)/5
  C) (x+3)/4
  D) (x+4)/3
  Show Answer
  The correct answer is A .
• Question 106:

  In how many ways can the letter of ZOOLOGY be arranged?

  Options:
  A) 720
  B) 360
  C) 840
  D) 120
  Show Answer
  The correct answer is C .
• Question 107: The mean and the range of the set of numbers: 1.20, 1.00, 0.90, 1.40, 0.80, 0.80, 1.20 and 1.10 are p and respectively. What is the value of p ÷ q Options:
  A) 1.11
  B) 65
  C) 1.85
  D) 2.45
  E) 3.85
  Show Answer
  The correct answer is B .
• Question 108: If A(I,2,3,...,10) ; B = (-5,-4,.....,-1) ; C = (-1, 0, 1, 2,....5) List all the elements in (B ∪ C) ∩ A Options:
  A) (-1,2,...5)
  B) (-1,1,....5)
  C) (1,2,..5)
  D) (2,3,...10)
  E) (1,2,...10)
  Show Answer
  The correct answer is C .
• Question 109: A man is 40m from the foot of a cliff of height 23m. Calculate the angle of elevation of the top of the cliff from the man Options:
  A) 50° 54′
  B) 35° 06′
  C) 30° 00′
  D) 290 90′
  E) 29° 54′
  Show Answer
  The correct answer is E .
• Question 110: Five people are to be arranged in a row for a group photograph. How many arrangements are the if a married couple in the group insist on sitting next to each other? Options:
  A) 48
  B) 24
  C) 20
  D) 10
  Show Answer
  The correct answer is C .