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 1601: What are K and L respectively if $\frac{1}{2}$(3y - 4x)² = (8x² + kxy + Ly²) Options:
  A) -12, $\frac{9}{2}$
  B) -6, 9
  C) 6, 9
  D) 12, $\frac{9}{2}$
  Show Answer
  The correct answer is A .
• Question 1602:

  If $\frac{x}{a+1}$ + $\frac{y}{b}$ = 1. Make y the subject of the relation.

  Options:
  A) $\frac{b(a+1-x)}{a+1}$
  B) $\frac{a+1}{b(a-x+1)}$
  C) $\frac{a(b-x+1)}{b+1}$
  D) $\frac{b}{a(b-x+1)}$
  Show Answer
  The correct answer is A .
• Question 1603: A final examination requires that a student answer any 4 out of 6 questions. In how many ways can this be done? Options:
  A) 15
  B) 20
  C) 30
  D) 45
  Show Answer
  The correct answer is A .
• Question 1604: A binary operation $\oplus$ om real numbers is defined by x $\oplus$ y = xy + x + y for two real numbers x and y. Find the value of 3 $\oplus$ - $\frac{2}{3}$. Options:
  A) - $\frac{1}{2}$
  B) $\frac{1}{3}$
  C) -1
  D) 2
  Show Answer
  The correct answer is B .
• Question 1605: a senatorial candidate had planned to visit seven cities prior to a primary election. However, he could only visit four of the cities. How many different itineraries could be considered? Options:
  A) 840
  B) 720
  C) 640
  D) 520
  Show Answer
  The correct answer is A .
• Question 1606:

  No. of Days	1	2	3	4	5	6
  No. of students	20	2x	60	40	x	50

  The distribution above shows the number of days a group of 260 students were absent from school in a particular term. How many students were absent for t least four days in the term

  Options:
  A) 180
  B) 120
  C) 110
  D) 40
  Show Answer
  The correct answer is B .
• Question 1607: The graphical method of solving the equation x³ + 3x² + 4x - 28 = 0 is by drawing the graphs of the curves Options:
  A) y = x³ and y = 3x² + x - 28
  B) y = x³ + 3x² + 4x + 4 and the line y = $\frac{28}{x}$
  C) y = x³ + 3x² + 4x and y
  D) y = x² + 3x + 4 and y = $\frac{28}{x}$
  E) y = x² + 3x + 4 and line y = 28x
  Show Answer
  The correct answer is D .
• Question 1608: If (K2)₆ * 3₆ = 3₅(K4)₅, what is the value of k? Options:
  A) 1
  B) 4
  C) 3
  D) 2
  Show Answer
  The correct answer is D .
• Question 1609: Find the simple interest on ₦325 in 5years at 3% per annum. Options:
  A) ₦48.75K
  B) ₦50.10K
  C) ₦75.50K
  D) ₦15.75K
  Show Answer
  The correct answer is A .
• Question 1610:

  The second term of a geometric series is ${}^{-2}{/}_3$ and its sum to infinity is ${}^3{/}_2$. Find its common ratio.

  Options:
  A) ${}^{-1}{/}_3$
  B) 2
  C) ${}^4{/}_3$
  D) ${}^2{/}_9$
  Show Answer
  The correct answer is A .