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 1351: Simplify $\frac{(2m-u{)}^2-(m-2u{)}^2}{5m^2-5u^2}$ Options:
  A) $\frac{3}{5}$
  B) $\frac{2}{5}$
  C) $\frac{2m-u}{5m+u}$
  D) $\frac{m-2u}{m+5u}$
  Show Answer
  The correct answer is A .
• Question 1352:

  Find the length of a chord 3cm from the centre of a circle of radius 5cm

  Options:
  A) 8cm
  B) 5.6cm
  C) 7cm
  D) 6.5cm
  Show Answer
  The correct answer is A .
• Question 1353: 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 1354:

  Three consecutive terms of a geometric progression are give as n - 2, n and n + 3. Find the common ratio

  Options:
  A) $\frac{3}{2}$
  B) $\frac{2}{3}$
  C) $\frac{1}{2}$
  D) $\frac{1}{4}$
  Show Answer
  The correct answer is A .
• Question 1355: If the heights of two circular cylinder are in the ratio 2 : 3 and their volumes? Options:
  A) 27 : 32
  B) 27 : 23
  C) 23 : 32
  D) 27 : 23
  Show Answer
  The correct answer is A .
• Question 1356:

  $\frac{d}{dx}[\log (4x^3-2x)]$ is equal to

  Options:
  A) $\frac{12x-2}{4x^2}$
  B) $\frac{43x^2-2x}{7x}$
  C) $\frac{4x^2-2}{7x+6}$
  D) $\frac{12x^2-2}{4x^3-2x}$
  Show Answer
  The correct answer is D .
• Question 1357: Find the Iength of a diagonal of a square whose area is 288cm². Options:
  A) 24cm
  B) 48cm
  C) 95cm
  D) 100cm
  E) 124cm
  Show Answer
  The correct answer is A .
• Question 1358: If $\frac{1+\sqrt{2}}{1-\sqrt{2}}$ is expressed in the form x + y$\sqrt{2}$. Find the values of x and y Options:
  A) (-3, -2)
  B) (-2, 3)
  C) (3, 2)
  D) (2, -3)
  Show Answer
  The correct answer is A .
• Question 1359: Find ∫(sin x + 2)dx Options:
  A) cos x + x² + K
  B) cos x 2x + K
  C) -cos x + x² + K
  D) -cos x + 2x + K
  Show Answer
  The correct answer is D .
• Question 1360: Which of the following angular inequalities defines an obtuse angle?
  Options:
  A) 0° < x < 90°
  B) 0° ≤ x > 180°
  C) 90° < x < 180°
  D) 90° ≤ x < 180°
  E) 90° > x < 180°
  Show Answer
  The correct answer is C .