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 1801:

  A binary operation $\oplus$ on real numbers is defined by x $\oplus$ y = xy + x + y for any two real numbers x and y. The value of (-$\frac{3}{4}$) $\oplus$ 6 is

  Options:
  A) -$\frac{3}{4}$
  B) $\frac{45}{4}$
  C) -$\frac{4}{3}$
  D) $\frac{3}{4}$
  Show Answer
  The correct answer is A .
• Question 1802: If $\frac{t}{1}$ = $\sqrt{(\frac{4{\pi }^2}{g}})$, what is the value of g when I = 4.5; t = 5 secs Options:
  A) 3.20 ms²
  B) 11.31 ms²
  C) 32.00 ms²
  D) 56.57 ms²
  E) 160.00 ms²
  Show Answer
  The correct answer is C .
• Question 1803: If the locus of the points which are equidistant from point P and Q meets line PQ at point N, then PN equals Options:
  A) NQ
  B) ¹/₄NQ
  C) 2NQ
  D) ¹/₂NQ
  Show Answer
  The correct answer is A .
• Question 1804: a cylindrical drum of diameter 56 cm contains 123.2 litres of oil when full. Find the height of the drum in centimeters Options:
  A) 12.5
  B) 25.0
  C) 45.0
  D) 50.00
  Show Answer
  The correct answer is D .
• Question 1805:

  If (x - a) is a factor of bx - ax + x², find the other factor.

  Options:
  A) (x + b)
  B) (x - b)
  C) (a + b)
  D) (a - b)
  Show Answer
  The correct answer is A .
• Question 1806: P = {x:(x - 2)(x + 3) (x - 4)(x + 5) = 0}. The elements in P are Options:
  A) -5,-2, 3, 4
  B) -5, -3, 2, 4
  C) -5, -3, -2,4
  D) -4, -3, -2, 5
  E) 2, 3, 4, 5
  Show Answer
  The correct answer is B .
• Question 1807: Simplify 3¹/₂ - (2¹/₃ * 1¹/₄) + ³/₅ Options:
  A) 2¹¹/₆₀
  B) 2¹/₆₀
  C) 1¹¹/₆₀
  D) 1¹/₆₀
  Show Answer
  The correct answer is C .
• Question 1808: Udoh deposited ₦150.00 in the bank. At the end of 5 years the simple interest on the principal was ₦55.00. At what rate per annum was the interest paid? Options:
  A) 11%
  B) 7$\frac{1}{3}$%
  C) 5
  D) 3$\frac{1}{2}$%
  Show Answer
  The correct answer is B .
• Question 1809: The 4th term of an A.P. is 13 while the 10th term is 31. Find the 24th term. Options:
  A) 89
  B) 75
  C) 73
  D) 69
  Show Answer
  The correct answer is C .
• Question 1810: If the distance between the points (x, 3) and (-x, 2) is 5. Find x Options:
  A) 6.0
  B) 2.5
  C) $\sqrt{6}$
  D) $\sqrt{3}$
  Show Answer
  The correct answer is C .