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 861:

  Three times a certain number (x), minus 2 is less than the number minus 6.Find the possible values of x.

  Options:
  A) x <-2
  B) x>2
  C) x>-2
  D) x<2
  Show Answer
  The correct answer is A .
• Question 862:

  If 1011₂ + x₇ = 25₁₀, solve for X.

  Options:
  A) 20₇
  B) 14₇
  C) 20₇
  D) 24₇
  Show Answer
  The correct answer is A .
• Question 863:

  If given two points A(3, 12) and B(5, 22) on a x-y plane. Find the equation of the straight line with intercept at 2.

  Options:
  A) y = 5x + 2
  B) y = 5x + 3
  C) y = 12x + 2
  D) y = 22x + 3
  Show Answer
  The correct answer is A .
• Question 864:

  If √(2x + 2) − √x = 1, find x.

  Options:
  A) x = 1 twice
  B) x = 0 or 1
  C) x = 3 or 1
  D) x = 2 twice
  Show Answer
  The correct answer is A .
• Question 865: A ship H leaves a port P and sails 30 km due south. Then it sails 50km due west. What is the bearing of H from P Options:
  A) 20^o 34'
  B) 243^o 26'
  C) 116^o 34'
  D) 63^o 26'
  E) 240^o 56'
  Show Answer
  The correct answer is B .
• Question 866: Find the mean deviation of 20, 25, 21, 27, 28, 29, to the nearest whole number Options:
  A) 2
  B) 3
  C) 4
  D) 5
  E) 6
  Show Answer
  The correct answer is B .
• Question 867: Find the dimensions of a rectangle of greatest area which has a fixed perimeter p. Options:
  A) square of sides p
  B) square of sides 2p
  C) square of sides (p/2)
  D) square of sides (p/4)
  Show Answer
  The correct answer is D .
• Question 868: Find the mean deviation of 20, 25, 21, 27, 28, 29, to the nearest whole number Options:
  A) 2
  B) 3
  C) 4
  D) 5
  E) 6
  Show Answer
  The correct answer is B .
• Question 869: Evaluate $\int (2x+3{)}^{\frac{1}{2}}\delta x$ Options:
  A) $\frac{1}{12}(2x+3{)}^6+k$
  B) $\frac{1}{3}(2x+3{)}^{\frac{1}{2}}+k$
  C) $\frac{1}{3}(2x+3{)}^{\frac{3}{2}}+k$
  D) $\frac{1}{12}(2x+3{)}^{\frac{3}{4}}+k$
  Show Answer
  The correct answer is C .
• Question 870:

  If x is positive real number, find the range of values for which $\frac{1}{3x}$ + $\frac{1}{2}$x = $\frac{2+3x}{6x}$ > $\frac{1}{4x}$

  Options:
  A) x > -$\frac{1}{6}$
  B) x > 0
  C) 0 < x < 6
  D) 0 < x <$\frac{1}{6}$
  Show Answer
  The correct answer is A .