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 1681: Find the tangent to the acute angle between the lines 2x+y = 3 and 3x-2y = 5. Options:
  A) -7/4
  B) 7/8
  C) 7/4
  D) 7/2
  Show Answer
  The correct answer is C .
• Question 1682: Evaluate $\frac{(05652-04375{)}^2}{0.04}$ correct to three significant figures Options:
  A) 3.11
  B) 3.13
  C) 0.313
  D) 3.12
  Show Answer
  The correct answer is B .
• Question 1683: Express the product of 0.21 and 0.34 in standard form Options:
  A) 7.14 x 10^-3
  B) 7.14 x 10^-2
  C) 7.14 x 10^-1
  D) 7.14 x 10^-4
  Show Answer
  The correct answer is B .
• Question 1684: A man invested a sum of ₦280.00 partly at 5% and partly at 4%, if the total interest is ₦12.80 per annum, find the amount invested at 5%. Options:
  A) ₦14.00
  B) ₦120.00
  C) ₦140.00
  D) ₦160.00
  Show Answer
  The correct answer is D .
• Question 1685: Divide 4x³-3x+1 by 2x-1 Options:
  A) 2x²-x+1
  B) 2x²-x-1
  C) 2x²+x+1
  D) 2x²+x-1
  Show Answer
  The correct answer is B .
• Question 1686: A farmer planted 5000 grains of maize and harvested 5000 cobs, each bearing 500 grains. What is the ratio of the number of grains sowed to the number harvested? Options:
  A) 1 : 250 000
  B) 1 : 25 000
  C) 1 : 500
  D) 1 : 5 000
  Show Answer
  The correct answer is C .
• Question 1687:

  

  In the figure, PQ\SR, ST\, ST\RQ, PS = 7cm, PT = 7cm, SR = 4cm. Find the ratio of the area QRST to the area of PQRS.

  Options:
  A) 56.77
  B) 56.105
  C) 28:105
  D) 28:49
  E) 56:49
  Show Answer
  The correct answer is B .
• Question 1688: Find the total area of the surface of a solid cylinder whose base radius is 4cm and height is 5cm Options:
  A) 56$\pi$ cm²
  B) 72$\pi$ cm²
  C) 96$\pi$ cm²
  D) 192$\pi$ cm²
  Show Answer
  The correct answer is B .
• Question 1689: What value of s will make the function x(4-x) a maximum Options:
  A) 4
  B) 3
  C) 2
  D) 1
  Show Answer
  The correct answer is C .
• Question 1690:

  

  Find the value of x in the diagram.

  Options:
  A) 50^o
  B) 60^o
  C) 70^o
  D) 80^o
  Show Answer
  The correct answer is C .