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 71: Evaluate correct to 4 decimal places 877.51 $\times$ 0.015 Options:
  A) 8.8415
  B) 12.4127
  C) 124.1265
  D) 12.44120
  E) 114.1265
  Show Answer
  The correct answer is B .
• Question 72: Given that ${10}^x=0.2$ and ${\log }_{10}2=0.3010$, find x. Options:
  A) -1.3010
  B) -0.6990
  C) 0.6990
  D) 1.310
  E) 0.02
  Show Answer
  The correct answer is B .
• Question 73:

  

  The angles marked in the figure are measured in degrees. Find x.

  Options:
  A) 45${}^{\circ }$
  B) 90${}^{\circ }$
  C) 60${}^{\circ }$
  D) 15${}^{\circ }$
  E) 30${}^{\circ }$
  Show Answer
  The correct answer is E .
• Question 74:

  Find the solution of the equation x - 8$\sqrt{x}$ + 15 = 0

  Options:
  A) 3, 5
  B) -3, -5
  C) 9, 25
  D) -9, 25
  Show Answer
  The correct answer is C .
• Question 75: W $\alpha$ L² and W = 6 when L = 4. If L = $\sqrt{17}$, find W. Options:
  A) 6$\frac{3}{8}$
  B) $\frac{7}{8}$
  C) $\frac{1}{8}$
  D) $\frac{5}{8}$
  Show Answer
  The correct answer is A .
• Question 76:

  What is the n-th term of the sequence 2, 6, 12, 20...?

  Options:
  A) 4n - 2
  B) 2(3^{n - 1})
  C) n² + n
  D) n² + 3n + 2
  Show Answer
  The correct answer is C .
• Question 77:

  Find all median of the numbers 89, 141, 130, 161, 120, 131, 131, 100, 108 and 119

  Options:
  A) 131
  B) 125
  C) 123
  D) 120
  Show Answer
  The correct answer is B .
• Question 78: The graph of f(x) = x² - 5x + 6 crosses the x-axis at the points Options:
  A) (-6, 0), (-1, 0)
  B) (-3, 0), (-2,0)
  C) (-6, 0),(1, 0)
  D) (2, 0), (3, 0)
  Show Answer
  The correct answer is D .
• Question 79: A car painter charges ₦40.00 per day for himself and ₦10.00 per day for his assistant. if a fleet of cars were painted for ₦2000.00 and the painter worked 10days more than his assistant, how much did the assistant receive? Options:
  A) ₦32.00
  B) ₦320.00
  C) ₦420.00
  D) ₦1680.00
  Show Answer
  The correct answer is B .
• Question 80: If the gradient of the curve y = 2kx² + x + 1 at x = 1 is 9, find k. Options:
  A) 4
  B) 3
  C) 2
  D) 1
  Show Answer
  The correct answer is C .