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 1171: If temperature t is directly proportional to heat h, and when t = 20^oC, h = 50 J, find t when h = 60J Options:
  A) 24^oC
  B) 20^oC
  C) 34^oC
  D) 30^oC
  Show Answer
  The correct answer is A .
• Question 1172:

  

  Find the area of the shades segments in the figure.

  Options:
  A) $\sqrt{3}$
  B) 4 $\pi -\sqrt{3}$
  C) -$\frac{2}{3}\pi$
  D) $\frac{2\pi }{3}$ -3
  Show Answer
  The correct answer is D .
• Question 1173:

  A bricklayer charges ₦1,500 per day for himself and ₦500 per day for his assistant. If a two bedroom flat was built for ₦95,000 and the bricklayer worked 10 days more than his assistant, how much did the assistant receive?

  Options:
  A) N20,000
  B) N28,000
  C) N31,200
  D) N41,000
  Show Answer
  The correct answer is A .
• Question 1174: Calculate the area of a parallelogram whose diagonals are of length 8cm and 12cm and intersect at an angle of 135° Options:
  A) 271.5cm²
  B) 135.8cm²
  C) 96.0cm²
  D) 48.0cm²
  E) 33.9cm²
  Show Answer
  The correct answer is E .
• Question 1175:

  Simplify $\frac{3}{5}$ $÷$ ($\frac{2}{7}$ x $\frac{4}{3}$ $÷$ $\frac{4}{9}$)

  Options:
  A) $\frac{6}{7}$
  B) $\frac{4}{5}$
  C) $\frac{7}{10}$
  D) $\frac{21}{6}$
  Show Answer
  The correct answer is C .
• Question 1176: If 27^{x + 2} $÷$ 9^{x + 1} = 3^2x, find x Options:
  A) 3
  B) 4
  C) 5
  D) 6
  Show Answer
  The correct answer is B .
• Question 1177: Factorize 4a² - 12ab - C² + 9b² Options:
  A) 4a(a - 3b) + (3b - c)²
  B) (2a + 3b - c)(2a + 3b + c)
  C) (2a - 3b + c)(2a - 3b - c)
  D) 4a(a - 3b) + (3b + c)
  Show Answer
  The correct answer is C .
• Question 1178: Twenty girls and y boys sat on an examination. The mean marks obtained by the girls and boys were 52 and 57 respectively. if the total score for both girls and boys was 2950, find y. Options:
  A) 51
  B) 48
  C) 30
  D) 25
  E) 18
  Show Answer
  The correct answer is C .
• Question 1179:

  

  In the diagram above, PQ is parallel to RS. What is the value of α + β + γ?

  Options:
  A) 360${}^{\circ }$
  B) 200${}^{\circ }$
  C) 180${}^{\circ }$
  D) 90${}^{\circ }$
  Show Answer
  The correct answer is A .
• Question 1180:

  Differentiate $\frac{2x}{\sin x}$ with respect to x.

  Options:
  A) $2\cot x\sec x(1+\tan x)$
  B) $2\csc x-x\cot x$
  C) $2x\csc x+\tan x$
  D) $2\csc x(1-x\cot x)$
  Show Answer
  The correct answer is D .