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 2141: What is the total surface area of a cuboid whose dimensions are 12cm × 8cm × 3cm? Options:
  A) 312cm${}^2$
  B) 96cm${}^2$
  C) 36cm${}^2$
  D) 24cm${}^2$
  E) 12cm${}^2$
  Show Answer
  The correct answer is A .
• Question 2142:

  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 2143: If 2x + 3y = 1 and x - 2y = 11, find (x + y) Options:
  A) 5
  B) -3
  C) 8
  D) 2
  E) -2
  Show Answer
  The correct answer is D .
• Question 2144:

  

  In the diagram above, QR // TS, QR : TS = 2.3, Find the ratio of the area of triangle PQR to the area of the trapezium QRST.

  Options:
  A) 4:9
  B) 4:5
  C) 1:3
  D) 2:3
  Show Answer
  The correct answer is B .
• Question 2145:

  

  The pie chart above shoes the distribution of the corps harvested from a farmland in a year, If 3,000 tonnes of millet is harvested, what amount of beans is harvested?

  Options:
  A) 9000 tonnes
  B) 6000 tonnes
  C) 1500 tonnes
  D) 1200tonnes
  Show Answer
  The correct answer is D .
• Question 2146: The bearing of Y from X is 0850. What is the bearing of X from Y? Options:
  A) 005°
  B) 095°
  C) 185°
  D) 265°
  E) 275°
  Show Answer
  The correct answer is D .
• Question 2147: Three consecutive positive integers k, l and m are such that l² = 3(k+m). Find the value of m Options:
  A) 4
  B) 5
  C) 6
  D) 7
  Show Answer
  The correct answer is A .
• Question 2148: If log₁₀2 = 0.3010 and log₁₀7 = 0.8451, evaluate log₁₀280 Options:
  A) 3.4471
  B) 2.4471
  C) 1.4471
  D) 1.4071
  Show Answer
  The correct answer is B .
• Question 2149: What is the rate of change of the volume v of a hemisphere with respect to its radius r when r = 2? Options:
  A) 8π
  B) 16π
  C) 2π
  D) 4π
  Show Answer
  The correct answer is A .
• Question 2150: Find the variance of 2x, 2x-1 and 2x+1 Options:
  A) 2/3
  B) 2
  C) √(2/3)
  D) 1
  Show Answer
  The correct answer is A .