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 1421: Find ∫(x² + 3x − 5)dx Options:
  A) $\frac{x_3}{3}$ - $\frac{3x_2}{2}$ - 5x + k
  B) $\frac{x_3}{3}$ - $\frac{3x_2}{2}$ + 5x + k
  C) $\frac{x_3}{3}$ + $\frac{3x_2}{2}$ - 5x + k
  D) $\frac{x_3}{3}$ + $\frac{3x_2}{2}$ + 5x + k
  Show Answer
  The correct answer is C .
• Question 1422: Three brothers in a business deal share the profit at the end of a contact. The first received $\frac{1}{3}$ of the profit and the second $\frac{2}{3}$ of the remainder. If the third received the remaining ₦12000.00 how much profit did they share? Options:
  A) ₦60 000.00
  B) ₦54 000.00
  C) ₦48 000.00
  D) ₦42 000.00
  Show Answer
  The correct answer is B .
• Question 1423: If | 2 3 | = | 4 1 |. find the value of y. 7 Options:
  A) -6
  B) 6
  C) -12
  D) 12
  Show Answer
  The correct answer is A .
• Question 1424: If 5, 8, 6 and 2 occur with frequencies 3, 2, 4 and 1 respectively, find the product of the modal and medial number. Options:
  A) 36
  B) 48
  C) 38
  D) 40
  E) none of the options
  Show Answer
  The correct answer is A .
• Question 1425: Factorize 9(x + y)² - 4(x - y)² Options:
  A) (x + y)(5x + y)
  B) (x + y)²
  C) (x + 5y)(5x + y)
  D) 5(x + y)²
  Show Answer
  The correct answer is C .
• Question 1426: 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 1427:

  Points X and Y are 20km North and 9km East of point O, respectively. What is the bearing of Y from X? Correct to the nearest degree.

  Options:
  A) 24°
  B) 56°
  C) 127°
  D) 156°
  Show Answer
  The correct answer is D .
• Question 1428: Simplify $\frac{1}{x-2}$ + $\frac{1}{x+2}$ + $\frac{2x}{x^2-4}$ Options:
  A) $\frac{2x}{(x-2)(x+2)(x^2-4)}$
  B) $\frac{2x}{x^2-4}$
  C) $\frac{x}{x^2-4}$
  D) $\frac{4x}{x^2-4}$
  Show Answer
  The correct answer is D .
• Question 1429: Solve the quadratic inequality x² - 5x + 6 $\ge$ 0 Options:
  A) x $\le$ 2, x $\ge$ 3
  B) x $\le$ 3, x $\ge$ 2
  C) x $\le$ -2, x $\ge$ -3
  D) x $\le$ -3,x $\ge$ 2
  Show Answer
  The correct answer is A .
• Question 1430: 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 .