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: Factorize 2y² - 15xy + 18x² Options:
  A) (2y - 3x) (y + 6x)
  B) (2y - 3x) (y - 6x)
  C) (2y + 3x) (y - 6x)
  D) (3y + 2x) (y - 6x)
  Show Answer
  The correct answer is B .
• Question 1742:

  If (x - a) is a factor of bx - ax + x², find the other factor.

  Options:
  A) (x + b)
  B) (x - b)
  C) (a + b)
  D) (a - b)
  Show Answer
  The correct answer is A .
• Question 1743: Rationalize the denominator of the expression $\frac{6+2\sqrt{5}}{4-3\sqrt{6}}$ Options:
  A) $\frac{12+4\sqrt{5+7}5+6\sqrt{3}}{39}$
  B) $\frac{-24+18\sqrt{6+8}5+6\sqrt{30}}{39}$
  C) $\frac{24+3\sqrt{6+8}5+6\sqrt{30}}{19}$
  D) $\frac{-15+3\sqrt{5+18}5+6\sqrt{30}}{36}$
  Show Answer
  The correct answer is B .
• Question 1744: 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 1745:

  If A = { 1, 2, 3, 4, 5, 6}, B = { 2, 4, 6, 8 }. Find (A B) ⋃ (B A).

  Options:
  A) {1, 3, 5, 8}
  B) {8}
  C) {1, 2, 3, 4, 5, 6, 8}
  D) {1, 3, 5}
  Show Answer
  The correct answer is A .
• Question 1746:
  

  In the diagram above, l₁ is parallel to l₂, Find the value of < PMT

  Options:
  A) 82^o
  B) 36^o
  C) 72^o
  D) 118^o
  Show Answer
  The correct answer is A .
• Question 1747: Evaluate $1-(\frac{1}{5}\times \frac{2}{3})+(5+\frac{2}{3})$ Options:
  A) $4$
  B) $3$
  C) $2\frac{2}{3}$
  D) $3\frac{2}{3}$
  Show Answer
  The correct answer is D .
• Question 1748: Given distribution of color beads: blue, black, yellow, white and brown with frequencies 1, 2, 3, 4, and 5 respectively. Find the probability that a bead picked at random will be blue or white. Options:
  A) 7/15
  B) 2/5
  C) 1/3
  D) 1/15
  Show Answer
  The correct answer is C .
• Question 1749: Solve the equation x² - 3x - 10 = 0 Options:
  A) -2 or -5
  B) -3 or -10
  C) 5 or -2
  D) 2 or 5
  E) 3 or 10
  Show Answer
  The correct answer is C .
• Question 1750:

  Three times a certain number (x), minus 2 is less than the number minus 6.Find the possible values of x.

  Options:
  A) x <-2
  B) x>2
  C) x>-2
  D) x<2
  Show Answer
  The correct answer is A .