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 1641: find the radius of a sphere whose surface area is 154cm² ($\pi =\frac{22}{7}$) Options:
  A) 7.00cm
  B) 3.50cm
  C) 3.00cm
  D) 1.75cm
  Show Answer
  The correct answer is B .
• Question 1642:

  

  In the diagram, PQ and RS are chords of a circle centre O which meet at T outside the circle. If TP = 24cm. TQ = 8cm and TS = 12cm, find TR.

  Options:
  A) 16cm
  B) 14cm
  C) 12cm
  D) 8cm
  Show Answer
  The correct answer is A .
• Question 1643: A boy leaves station X on a bearing of 035° to station y which is 21km away. He then travels to another station Z on a bearing of 125°. If Z is directly East of X, what is the distance from X to his present position? Options:
  A) 3.0km
  B) 12.04km
  C) 17.2km
  D) 34.18km
  E) 36.61km
  Show Answer
  The correct answer is E .
• Question 1644: If the value of is taken to be $\frac{22}{7}$, the area of a semi-circle of diameter 42m is Options:
  A) 5544m²
  B) 1386m²
  C) 132m²
  D) 264m²
  E) 693m²
  Show Answer
  The correct answer is E .
• Question 1645: The nth term of the sequence $\frac{3}{2}$, 3, 7, 16, 35, 74, ..., is Options:
  A) 3.2^{n - 2}
  B) 5.2^{n - 2} - n
  C) $\frac{3}{2}$n
  D) $\frac{3}{2}$ ^{n - 2}
  Show Answer
  The correct answer is B .
• Question 1646: If (159.75)₁₀ = (y)₆. Find x Options:
  A) x₆ = 123.34₆
  B) x₆ = 424.5₆
  C) x₆ = 122.43₆
  D) x₆ = 124.45₆
  Show Answer
  The correct answer is B .
• Question 1647:

  If (x - a) is a factor of bx - ax + x², find the other factor.

  Options:
  A) (x + b)
  B) (x - b)
  C) (a + b)
  D) (a - b)
  Show Answer
  The correct answer is A .
• Question 1648: A bucket is 12 cm in diameter at the top, 8 cm in diameterat the bottom and 4 cm deep. Calculate its volume. Options:
  A) 304π/3 cm³
  B) 144π cm³
  C) 128π cm³
  D) 72π cm³
  Show Answer
  The correct answer is A .
• Question 1649: Find the equation of a line perpendicular to line 2y = 5x + 4 which passes through (4, 2). Options:
  A) 5y - 2x -18 = 0
  B) 5y + 2x - 18 = 0
  C) 5y - 2x + 18 = 0
  D) 5y + 2x - 2 = 0
  Show Answer
  The correct answer is B .
• Question 1650: If the 9th term of an A.P is five times the 5th term, find the relationship between a and d. Options:
  A) 2a + 2 = 0
  B) 3a + 5d = 0
  C) a + 3d = 0
  D) a + 2d = 0
  Show Answer
  The correct answer is C .