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 2851:

  From a point P, R is 5km due West and 12km due South. Find the distance between P and R'.

  Options:
  A) 5km
  B) 12km
  C) 13km
  D) 17km
  Show Answer
  The correct answer is C .
• Question 2852: If b³ = a^-2 and c^{$\frac{1}{3}$} = a^{$\frac{1}{2}$}b, express c in terms of a Options:
  A) a^{-$\frac{1}{2}$}
  B) a^{$\frac{1}{3}$}
  C) a^{$\frac{3}{2}$}
  D) a^{$\frac{2}{3}$}
  Show Answer
  The correct answer is A .
• Question 2853: A worker's present salary is ₦24,000 per annum. His annual increment is 10% of his basic salary at the beginning of the third year? Options:
  A) ₦28,800
  B) ₦29,040
  C) ₦31,200
  D) ₦31,944
  Show Answer
  The correct answer is B .
• Question 2854:

  Evaluate $\frac{2\sin 30+5\tan 60}{\sin 60}$, leaving your answer in surd form.

  Options:
  A) $\frac{2\sqrt{3}}{3}+10$
  B) $\frac{3\sqrt{2}-1}{5}$
  C) $\frac{3\sqrt{2}+1}{5}$
  D) $\frac{2\sqrt{3}}{3}-10$
  Show Answer
  The correct answer is A .
• Question 2855: Calculate the area of a parallelogram whose diagonals are of length 8cm and 12cm and intersect at an angle of 135° Options:
  A) 271.5cm²
  B) 135.8cm²
  C) 96.0cm²
  D) 48.0cm²
  E) 33.9cm²
  Show Answer
  The correct answer is E .
• Question 2856:

  Evaluate ∫${}_1^2$ $\frac{5}{x}$ dx

  Options:
  A) 1.47
  B) 2.67
  C) 3.23
  D) 3.47
  Show Answer
  The correct answer is D .
• Question 2857: Find the acute angle between the straight lines y = x and y = $\sqrt{3x}$ Options:
  A) 15^o
  B) 30^o
  C) 45^o
  D) 60^o
  Show Answer
  The correct answer is B .
• Question 2858:

  Evaluate log${}_2$ 8 – log${}_3$ $\frac{1}{9}$

  Options:
  A) -1 1$\frac{1}{2}$
  B) -1
  C) 1
  D) 5
  Show Answer
  The correct answer is D .
• Question 2859: y = is inversely proportional to x and y = 4 when x = 1/2. Find x when y = 10. Options:
  A) 2
  B) 10
  C) 1/5
  D) 1/10
  Show Answer
  The correct answer is C .
• Question 2860: What is the value of sin(-690)? Options:
  A) $\frac{\sqrt{3}}{2}$
  B) -$\frac{\sqrt{3}}{2}$
  C) $\frac{-1}{2}$
  D) $\frac{1}{2}$
  Show Answer
  The correct answer is D .