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 2881: Simplify 4$\frac{3}{4}$ - 6$\frac{1}{4}$ Options:
  A) -7$\frac{7}{8}$
  B) $\frac{-2}{7}$
  C) $\frac{-10}{21}$
  D) $\frac{10}{21}$
  Show Answer
  The correct answer is B .
• Question 2882: Integrate $\frac{2x^3+2x}{x}$ with respect to x Options:
  A) $\frac{2x^3}{3}$ - 2x + k
  B) x³ + 2x + k
  C) $\frac{2x^3}{3}$ + 2x + k
  D) x³ - 2x + k
  Show Answer
  The correct answer is C .
• Question 2883:

  A sector of a circle of radius 7.2cm which subtends an angle of 300° at the centre is used to form a cone. What is the radius of the base of the cone?

  Options:
  A) 8cm
  B) 6cm
  C) 9cm
  D) 7cm
  Show Answer
  The correct answer is B .
• Question 2884:

  Find all real number x which satisfy the inequality $\frac{1}{3}$ (x + 1) - 1 > $\frac{1}{5}$(x + 4)

  Options:
  A) x < 11
  B) x < -1
  C) x > 6
  D) x > 11
  Show Answer
  The correct answer is D .
• Question 2885: Find x if 132_x = 70 _eight. Options:
  A) 5
  B) 3
  C) 6
  D) 1
  Show Answer
  The correct answer is C .
• Question 2886: 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 2887:

  

  The farm yield of four crops on a piece of land in Ondo are represented on the pie chart. what is the angle of the sector occupies by Okro in the chart?

  Options:
  A) 11${}^{\circ }$
  B) 19$\frac{1}{3}$${}^{\circ }$
  C) 33$\frac{1}{3}$${}^{\circ }$
  D) 91$\frac{1}{3}$${}^{\circ }$
  E) 91${}^{\circ }$
  Show Answer
  The correct answer is B .
• Question 2888: Divide x³ - 2x² - 5x + 6 by (x - 1) Options:
  A) x² - x - 6
  B) x² - 5x + 6
  C) x² - 7x + 6
  D) x² - 5x - 6
  Show Answer
  The correct answer is A .
• Question 2889: The arithmetic mean of the ages of 30 pupils in a class is 15.3 years. One boy leaves the class and one girl is enrolled, and the new average age of 30 pupils in the class becomes 15.2 years. How much older is the boy than the girl?
  Options:
  A) 30 years
  B) 6 years
  C) 9 years
  D) 3 years
  E) 1 year
  Show Answer
  The correct answer is D .
• Question 2890:

  Find the range of these fractions:

  1/6, 1/3, 3/2, 2/3, 8/9 and 4/3.

  Options:
  A) 3/4
  B) 5/6
  C) 7/6
  D) 4/3
  Show Answer
  The correct answer is D .