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 1741: The difference between 4$\frac{5}{7}$ and 2$\frac{1}{4}$ greater by Options:
  A) $\frac{23}{28}$
  B) $\frac{24}{28}$
  C) $\frac{50}{56}$
  D) $\frac{27}{28}$
  E) $\frac{48}{56}$
  Show Answer
  The correct answer is C .
• Question 1742: The 3rd term of an A.P is 4x - 2y and the 9th term is 10x - 8y. Find the common difference. Options:
  A) 19x - 17y
  B) 8x - 4y
  C) x - y
  D) 2x
  Show Answer
  The correct answer is C .
• Question 1743:

  

  In the diagram, PTS is a tangent to the circle TQR at T. Calculate < RTS

  Options:
  A) 120${}^{\circ }$
  B) 70${}^{\circ }$
  C) 60${}^{\circ }$
  D) 40${}^{\circ }$
  Show Answer
  The correct answer is B .
• Question 1744:

  The angle of elevation and depression of the top and bottom of another building, measured from the top of a 24 m tall building, is 30° and 60°, respectively. Determine the second building's height.

  Options:
  A) 24 m
  B) 32√3 m
  C) 24√3
  D) 32 m
  Show Answer
  The correct answer is D .
• Question 1745: Differentiate $\frac{6x^3-5x^2+1}{3x^2}$ with respect to x Options:
  A) $\frac{2+2}{3x^3}$
  B) 2 + $\frac{1}{6x}$
  C) 2 - $\frac{2}{3x^3}$
  D) $\frac{1}{5}$
  Show Answer
  The correct answer is C .
• Question 1746:

  Give the number of significant figures of the population of a town which has approximately 5,020,700 people

  Options:
  A) 7 significant figures
  B) 3 significant figures
  C) 4 significant figures
  D) 5 significant figures
  Show Answer
  The correct answer is D .
• Question 1747: Two ladders of length 5m and 7m lean against a pole and make angles 45° and 60° with the ground respectively. What is their distance apart on the pole correct to two decimal places? Options:
  A) 9.60m
  B) 6.06m
  C) 2.54m
  D) 2.53m
  E) 2.00m
  Show Answer
  The correct answer is D .
• Question 1748: If x varies inversely as y, and y varies directly as the square root of z, and z varies directly $\frac{1}{w^2}$ write down in words how x varies with w Options:
  A) x varies inversely as w²
  B) x varies directly as w²
  C) x varies directly as w
  D) x varies inversely as w
  E) x varies directly as square root of w
  Show Answer
  The correct answer is B .
• Question 1749: 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 1750:

  

  The bar chart above shows the distribution of marks in a class test. If the pass mark is 5, what percentage of students failed the test?

  Options:
  A) 10%
  B) 20%
  C) 50%
  D) 60%
  Show Answer
  The correct answer is C .