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 1531: If 3 gallons of spirit containing 20% water are added to 5 gallons of another spirit containing 15% water, what percentage of the mixture is water? Options:
  A) 2$\frac{4}{5}$%
  B) 16$\frac{7}{8}$%
  C) 18$\frac{1}{8}$%
  D) 18$\frac{7}{8}$%
  Show Answer
  The correct answer is B .
• Question 1532:

  Find the value of x for which 2(3^2x-1) = 162

  Options:
  A) ⁵/₂
  B) ³/₂
  C) ²/₅
  D) ¹/₂
  Show Answer
  The correct answer is A .
• Question 1533: Factorize completely x² + 12xy + y + 3x + 3y - 18 Options:
  A) (x + y + 6)(x + y -3)
  B) (x - y - 6)(x - y + 3)
  C) (x - y + 6)(x - y - 3)
  D) (x + y - 6)(x + y + 3)
  Show Answer
  The correct answer is A .
• Question 1534: Solve the equation $3x^2-4x-5=0$ Options:
  A) x = 1.75 or − 0.15
  B) x = 2.12 or − 0.79
  C) x = 1.5 or − 0.34
  D) x = 2.35 or −1.23
  Show Answer
  The correct answer is B .
• Question 1535:

  

  The bar chart above shows the number of times the word a, and , in, it, the , to appear in a paragraph in a book. What is the ratio of the least frequent word?

  Options:
  A) ¹/₄
  B) ¹/₃
  C) ²/₃
  D) ³/₄
  Show Answer
  The correct answer is A .
• Question 1536:

  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 1537: The area of the curved surface of the cone generated by the sector of a circle radius 6cm and are length 22cm is ($\pi$ = $\frac{22}{7}$) Options:
  A) 58 sq.cm
  B) 34 sq.cm
  C) 132 sq.cm
  D) 77 sq.cm
  E) 66 sq.cm
  Show Answer
  The correct answer is E .
• Question 1538: The midpoint of the segment of the line y = 4x + 3 which lies between the x-ax 1 is and the y-ax 1 is Options:
  A) ($\frac{3}{2}$, $\frac{3}{2}$)
  B) ($\frac{2}{3}$, $\frac{3}{2}$)
  C) ($\frac{3}{8}$, $\frac{3}{2}$)
  D) (-$\frac{3}{8}$, $\frac{3}{2}$)
  Show Answer
  The correct answer is D .
• Question 1539:

  If 8, p, q and 26 is an A.P. Find the values of p and q

  Options:
  A) p = 14 and q = 14
  B) p = 20 and q = 14
  C) p = 20 and q = 20
  D) p = 14 and q = 20
  Show Answer
  The correct answer is D .
• Question 1540: Factorize 6^{2x + 1} + 7(6^x) - 5 Options:
  A) [3(6^x) - 5][2(6^x)m + 1]
  B) [3(6^x) + 5][2(6^x) - 1]
  C) [(6^x) - 5][3(6^x) + 1]
  D) [2(6^x) + 5][3(6^x) - 1]
  Show Answer
  The correct answer is B .