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 911: Evaluate 1.25 × 102 × 0.125 × 103 × 12.5 × 10^-4 leaving your answer in standard form Options:
  A) 1.995 × 10³
  B) 1.95 × 10²
  C) 1.95 × 10¹
  D) 1.95 × 10^-2
  E) 1.95 × 10^-3
  Show Answer
  The correct answer is C .
• Question 912: Find the area of the figure bounded by the given pair of curves y = x² - x + 3 and y = 3 Options:
  A) 17/6 units (sq)
  B) 7/6 units (sq)
  C) 5/6 units (sq)
  D) 1/6 units (sq)
  Show Answer
  The correct answer is A .
• Question 913:

  

  In the figure, PS bisects angle QPR. Find the ratio SR:QR.

  Options:
  A) 1:2
  B) 1:3
  C) 1:4
  D) 1:5
  E) 1:6
  Show Answer
  The correct answer is C .
• Question 914: The base of a pyramid is a square of side 8cm. If its vertex is directly above the centre, find the height, given that the edge is 4.3cm Options:
  A) 6cm
  B) 5cm
  C) 4cm
  D) 3cm
  Show Answer
  The correct answer is C .
• Question 915: Evaluate 3(x + 2) > 6(x + 3)
  Options:
  A) x < 4
  B) x > -4
  C) x < -4
  D) x > 4
  Show Answer
  The correct answer is C .
• Question 916: The weight of 10 pupils in a class are 15 kg, 16 kg, 17 kg, 18 kg, 16 kg, 17 kg, 17 kg, 17 kg, 18 kg, and 16 kg. What is the range of this distribution? Options:
  A) 4
  B) 3
  C) 1
  D) 2
  Show Answer
  The correct answer is B .
• Question 917: If cos 60^o = 1/2, which of the following angle has cosine of -1/2? Options:
  A) 30^o
  B) 120^o
  C) 150^o
  D) 210^o
  E) 300^o
  Show Answer
  The correct answer is B .
• Question 918: 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 919:

  

  In the diagram above are two concentric circles of radii r and R respectively with center O. If r = ²/₃R, express the area of the shaded portion in terms of π and R

  Options:
  A) ²¹/₂₅πR²
  B) ⁹/₂₅πR²
  C) ²¹/₂₃πR²
  D) ⁵/₉πR²
  Show Answer
  The correct answer is D .
• Question 920: The remainder when 6p³ - p² - 47p + 30 is divided by p - 3 is Options:
  A) 21
  B) 42
  C) 63
  D) 18
  Show Answer
  The correct answer is B .