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 1541: Find the value of m if 13_m + 24_m = 41_m Options:
  A) 8
  B) 6
  C) 5
  D) 2
  Show Answer
  The correct answer is B .
• Question 1542: The arithmetic mean of the ages of 30 pupils in a class is 15.3 years. One boy leaves the class and one girl is enrolled, and the new average age of 30 pupils in the class becomes 15.2 years. How much older is the boy than the girl?
  Options:
  A) 30 years
  B) 6 years
  C) 9 years
  D) 3 years
  E) 1 year
  Show Answer
  The correct answer is D .
• Question 1543: If ⁿP₃ - 6(ⁿC₄) = 0, find the value of n Options:
  A) 5
  B) 6
  C) 7
  D) 8
  Show Answer
  The correct answer is C .
• Question 1544:

  Evaluate ${\int }_{-1}^1$(2x + 1)²dx

  Options:
  A) 3$\frac{2}{3}$
  B) 4
  C) 4$\frac{1}{3}$
  D) 4$\frac{2}{3}$
  Show Answer
  The correct answer is D .
• Question 1545:

  

  Find the area of the figure given

  Options:
  A) 12.5cm²
  B) 75.0cm²
  C) 78.5cm²
  D) 84.8cm²
  Show Answer
  The correct answer is D .
• Question 1546:

  

  What is the equation of the quadratic function represented by the graph?

  Options:
  A) y = x² + x - 2
  B) y = -x² - x + 2
  C) y = x² - x - 2
  D) y = -x² - x + 2
  Show Answer
  The correct answer is C .
• Question 1547: If x * y = x + y², find then value of (2*3)*5 Options:
  A) 36
  B) 25
  C) 11
  D) 55
  Show Answer
  The correct answer is A .
• Question 1548: The three sides of an isosceles triangle are length of lengths (x + 3), (2x + 3), (2x - 3) respectively. Calculate x. Options:
  A) 5
  B) 1
  C) 3
  D) 6
  Show Answer
  The correct answer is D .
• Question 1549: If the function y = 5x is graphed, what would be its intercept on the y-axis? Options:
  A) 5
  B) $\frac{1}{5}$
  C) 1
  D) 2
  E) zero
  Show Answer
  The correct answer is E .
• Question 1550: One bag contain 3 blue and 5 red balls, another bag contain 2 blue and 4 red balls respectively. One ball is drawn for each bag. What is the probability both balls are blue Options:
  A) $\frac{2}{15}$
  B) $\frac{3}{24}$
  C) $\frac{3}{21}$
  D) $\frac{3}{28}$
  Show Answer
  The correct answer is D .