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 1011:

  Find the roots of x³ - 2x² - 5x + 6 = 0

  Options:
  A) 1, -2, 3
  B) 1, 2, -3
  C) -1, -2, 3
  D) -1, 2, -3
  Show Answer
  The correct answer is A .
• Question 1012: A set of data contains a total of 130 items which are divided into six groups for display on a pie chart. If one group contains 26 items, then the sector representing this group on the pie chart contains an angle x^o at the centre of the circle where x is Options:
  A) 36^o
  B) 60^o
  C) 70^o
  D) 72^o
  E) 75^o
  Show Answer
  The correct answer is D .
• Question 1013: Solve the inequality y² - 3y > 18
  Options:
  A) -3 < y < 6
  B) y < -3 or y > 6
  C) y > -3 or y > 6
  D) y < 3 or y < 6
  Show Answer
  The correct answer is A .
• Question 1014: Evaluate $\frac{6.3\times {10}^5}{81\times {10}^3}$ to 3 significant fiqures Options:
  A) 77.80
  B) 778.0
  C) 7.870
  D) 8.770
  E) 88.70
  Show Answer
  The correct answer is A .
• Question 1015: Write the equation 2 log₂x - x log₂(1 + y) = 3 in a form not involving logarithms Options:
  A) 2^x(1 + y) = 3
  B) 2^x - x(1 + y) = 8
  C) x² = 8(1 + y)^x
  D) x² - x(1 + y) = 8
  E) x² - (1 + y)² = 8
  Show Answer
  The correct answer is C .
• Question 1016: A man's initial salary is ₦540.00 a month and increases after each period of six months by ₦36.oo a month. Find his salary in the eighth month of the third year Options:
  A) ₦828.00
  B) ₦756.00
  C) ₦720.00
  D) ₦684.00
  Show Answer
  The correct answer is C .
• Question 1017: Differentiate (x² - ¹/_x)² with respect to x Options:
  A) 4x² - 4x - ²/_x
  B) 4x² - 2 + ²/_x³
  C) 4x² - 2 - ²/_x³
  D) 4x² - 3x + ²/_x
  Show Answer
  The correct answer is C .
• Question 1018: Convert 3.1415926 to 5 decimal places Options:
  A) 3.14160
  B) 3.14159
  C) 0.31415
  D) 3.14200
  Show Answer
  The correct answer is B .
• Question 1019:

  The mean age group of some students is 15years. When the age of a teacher, 45 years old, is added to the ages of the students, the mean of their ages become18 years. Find the number of students in the group.

  Options:
  A) 7
  B) 9
  C) 15
  D) 42
  Show Answer
  The correct answer is B .
• Question 1020: Find a factor which is common to all 3 binomial expressions $4a^2-9b^2,8a^3+27b^3,(4a+6b{)}^2$. Options:
  A) 4a + 6b
  B) 4a - 6b
  C) 2a + 3b
  D) 2a - 3b
  E) None
  Show Answer
  The correct answer is C .