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 1231:

  Express $16.54\times {10}^{-5}-6.76\times {10}^{-8}+0.23\times {10}^{-6}$ in standard form.

  Options:
  A) 1.66 x 10${}^{-4}$
  B) 1.66 x 10${}^{-5}$
  C) 1.65 x 10${}^{-5}$
  D) 1.65 x 10${}^{-4}$
  Show Answer
  The correct answer is A .
• Question 1232: If 3^2y + 6(3^y) = 27. Find y Options:
  A) 3
  B) -1
  C) 2
  D) -3
  E) 1
  Show Answer
  The correct answer is E .
• Question 1233: A man invested a sum of ₦280.00 partly at 5% and partly at 4%, if the total interest is ₦12.80 per annum, find the amount invested at 5%. Options:
  A) ₦14.00
  B) ₦120.00
  C) ₦140.00
  D) ₦160.00
  Show Answer
  The correct answer is D .
• Question 1234:
  

  Find the value of the angle marked x in the diagram above

  Options:
  A) 60${}^0$
  B) 45${}^0$
  C) 90${}^0$
  D) 30${}^0$
  Show Answer
  The correct answer is A .
• Question 1235: 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 1236: What is the value of x satisfying the equation $\frac{4^{2x}}{4^{3x}}$ = 2? Options:
  A) -2
  B) -$\frac{1}{2}$
  C) $\frac{1}{2}$
  D) 2
  Show Answer
  The correct answer is B .
• Question 1237: If U = (s, p, i, e, n, d, o, u, r), X = (s, p, e, n, d) Y = (s, e, n, o, u), Z = (p, n, o, u, r) find X ∩ Y ∪ Z Options:
  A) (p, o, u, r)
  B) (s, p, d, r)
  C) (p, n, d)
  D) (n, d, u)
  Show Answer
  The correct answer is C .
• Question 1238:

  12 men complete a job in 9 days. How many men working at the same rate would be required to complete the job in 6 days?

  Options:
  A) 24
  B) 18
  C) 12
  D) 9
  E) 8
  Show Answer
  The correct answer is E .
• Question 1239:

  Evaluate $\frac{x{y}^2-x^{2}y}{x^2-x{y}^1}$, when x = -2 and y = 2

  Options:
  A) 3
  B) -$\frac{3}{5}$
  C) $\frac{3}{5}$
  D) -3
  Show Answer
  The correct answer is D .
• Question 1240: If | 2 3 | = | 4 1 |. find the value of y. 7 Options:
  A) -6
  B) 6
  C) -12
  D) 12
  Show Answer
  The correct answer is A .