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 1191: Find the capacity in litres of a cylindrical well of radius 1 meter and depth 14 metres. Options:
  A) 44 000 litres
  B) 4400 litres
  C) 440 litres
  D) 44 litres
  Show Answer
  The correct answer is C .
• Question 1192: Find the value of x for which 2(3^{2x - 1}) = 162 Options:
  A) $\frac{3}{2}$
  B) $\frac{1}{2}$
  C) $\frac{5}{2}$
  D) $\frac{2}{5}$
  Show Answer
  The correct answer is C .
• Question 1193:

  

  The diagram is the distance time graph of a vehicle. Find its average speed in kilometers per hour during the journey

  Options:
  A) 155km/hr
  B) 50km/hr
  C) 40km/hr
  D) 124km/hr
  E) 84km/hr
  Show Answer
  The correct answer is E .
• Question 1194: Make Q the subject of formula if p = $\frac{M}{5}$(X + Q) + 1 Options:
  A) $\frac{5P-MX+5}{M}$
  B) $\frac{5P-MX-5}{M}$
  C) $\frac{5P+MX+5}{M}$
  D) $\frac{5P+MX-5}{M}$
  Show Answer
  The correct answer is B .
• Question 1195: 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 1196: The chances of Usman and Dele passing a Mathematics test are 12 and 13 respectively. What is the probability that neither of them passes the test? Options:
  A) $\frac{3}{5}$
  B) $\frac{2}{5}$
  C) $\frac{4}{15}$
  D) $\frac{1}{5}$
  E) $\frac{2}{15}$
  Show Answer
  The correct answer is C .
• Question 1197: A binary operation θ defined on the set of real number is such that xθy = xy/6 for all x, y ∈ R. Find the inverse of 20 under this operation when the identity element is 6 Options:
  A) ¹/₁₂
  B) ¹⁰/₃
  C) ¹/₂₀
  D) ⁹/₅
  Show Answer
  The correct answer is D .
• Question 1198: 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 1199: Find the size of each exterior angle of a regular octagon Options:
  A) 51${}^{\circ }$
  B) 45${}^{\circ }$
  C) 40${}^{\circ }$
  D) 36${}^{\circ }$
  Show Answer
  The correct answer is B .
• Question 1200: The locus of a point which moves so that it is equidistant from two intersecting straight lines is the Options:
  A) perpendicular bisector of the two lines
  B) angle bisector of the two lines
  C) bisector of the two lines
  D) line parallel to the two lines
  Show Answer
  The correct answer is B .