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 1181: A circle with radius 5cm has its radius increasing at the rate of 0.2m/s. What will be the corresponding increase in the area? Options:
  A) 2π
  B) 5π
  C) π
  D) 4π
  Show Answer
  The correct answer is A .
• Question 1182: If 9x² + 6xy + 4y² is a factor of 27x³ - 8y³, find the other factor. Options:
  A) 2y + 3x
  B) 2y - 3x
  C) 3x + 2y
  D) 3x - 2y
  Show Answer
  The correct answer is D .
• Question 1183: Which of the following is a factor of rs + tr - pt - ps? Options:
  A) (p - s)
  B) (s - p)
  C) r - p)
  D) r + p)
  Show Answer
  The correct answer is C .
• Question 1184: If Musa scored 75 in biology instead of 57, his average mark in four subjects would have been 60. What was his total mark? Options:
  A) 282
  B) 240
  C) 222
  D) 210
  Show Answer
  The correct answer is C .
• Question 1185: A petrol attendant recorded the number of vehicles that bought petrol from him for -3 hours and recorded 12 cars and 27 buses. What is the probability that the next vehicle will be a bus? Options:
  A) $\frac{4}{39}$
  B) $\frac{4}{13}$
  C) $\frac{5}{13}$
  D) $\frac{6}{13}$
  E) $\frac{9}{13}$
  Show Answer
  The correct answer is E .
• Question 1186: Find the value of (0.006)³ + (0.004)³ in standard form Options:
  A) 2.8 x 10^-9
  B) 2.8 x 10^-7
  C) 2.8 x 10^-8
  D) 2.8 x 10^-6
  Show Answer
  The correct answer is B .
• Question 1187:

  

  In the venn diagram, the shaded region is

  Options:
  A) (P $\cap$ Q) $\cup$ R
  B) (P $\cap$ Q) $\cap$ R
  C) (P $\cap$ Q¹) $\cap$ R
  D) (P $\cap$ Q¹) $\cup$ R
  Show Answer
  The correct answer is C .
• Question 1188: 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 1189: A cone is formed by bending a sector of a circle having an angle of 210^o. Find the radius of the base of the cone if the diameter of the circle is 12cm. Options:
  A) 12cm
  B) 7.00cm
  C) 1.75cm
  D) 21cm
  E) 3.50cm
  Show Answer
  The correct answer is E .
• Question 1190: If the exterior angles of a pentagon are x^o, (x + 5)^o, (x + 10), (x + 15)^o and (x + 20)^o, find x Options:
  A) 118^o
  B) 72^o
  C) 62^o
  D) 36^o
  Show Answer
  The correct answer is C .