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 191:

  The coordinates of the mid-point of the line joining the points (-3,5) and (2,10) is given by?

  Options:
  A) ( $\frac{1}{2}$, $\frac{15}{2}$ )
  B) ( $\frac{1}{2}$, $\frac{-15}{2}$ )
  C) ( $\frac{-1}{2}$, $\frac{-15}{2}$ )
  D) ( $\frac{-1}{2}$, $\frac{15}{2}$ )
  Show Answer
  The correct answer is D .
• Question 192: Two ladders of length 5m and 7m lean against a pole and make angles 45° and 60° with the ground respectively. What is their distance apart on the pole correct to two decimal places? Options:
  A) 9.60m
  B) 6.06m
  C) 2.54m
  D) 2.53m
  E) 2.00m
  Show Answer
  The correct answer is D .
• Question 193: Find ∫(sin x + 2)dx Options:
  A) cos x + x² + K
  B) cos x 2x + K
  C) -cos x + x² + K
  D) -cos x + 2x + K
  Show Answer
  The correct answer is D .
• Question 194: What is the derivative of t² sin (3t - 5) with respect to t? Options:
  A) 6t cos (3t - 5)
  B) 2t sin (3t - 5) - 3t² cos (3t - 5)
  C) 2t sin (3t - 5) + 3t² cos (3t - 5)
  D) 2t sin (3t - 5) + t² cos 3t
  Show Answer
  The correct answer is C .
• Question 195:

  If (x + 2) and (x - 1) are factors of the expression $Lx+2k{x}^2+24$, find the values of Land k.

  Options:
  A) l = -12, k = -6
  B) l = -2 , k = 1
  C) l = -2 , k = -1
  D) l = 0, k = 1
  Show Answer
  The correct answer is A .
• Question 196:

  What is the general term of the sequence 3, 8, 13, 18, ...?

  Options:
  A) 5n - 2
  B) 5n + 2
  C) 5
  D) 5n
  Show Answer
  The correct answer is A .
• Question 197: Evaluate the inequality $\frac{x}{2}+\frac{3}{4}\le \frac{5x}{6}-\frac{7}{12}$ Options:
  A) $x\ge 4$
  B) $x\le 3$
  C) $x\ge -3$
  D) $x\le -4$
  Show Answer
  The correct answer is A .
• Question 198:

  If the binary operation $\ast$ is defined by m $\ast$ n = mn + m + n for any real number m and n, find the identity of the elements under this operation

  Options:
  A) e = 1
  B) e = -1
  C) e = -2
  D) e = 0
  Show Answer
  The correct answer is D .
• Question 199: If x₁₀ = 23₅. Find x Options:
  A) 15
  B) 12
  C) 14
  D) 13
  Show Answer
  The correct answer is D .
• Question 200: A regular hexagon is constructed inside a circle of diameter 12cm. The area of the hexagon is Options:
  A) 36$\pi$cm²
  B) 54$\sqrt{3}$cm²
  C) $\sqrt{3}$cm²
  D) $\frac{1}{x-1}$
  Show Answer
  The correct answer is B .