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 1141: Two perfect dice are thrown together, Determine the probability of obtaining a total score of 8 Options:
  A) $\frac{1}{12}$
  B) $\frac{5}{36}$
  C) $\frac{1}{6}$
  D) $\frac{7}{36}$
  Show Answer
  The correct answer is B .
• Question 1142: Factorize completely the expression abx² + 6y - 3ax - 2byx Options:
  A) (ax - 2y)(bx - 3)
  B) (bx + 3)(2y - ax)
  C) (bx + 3)(ax - 2y)
  D) (ax - 2y)(ax - b)
  Show Answer
  The correct answer is A .
• Question 1143:

  

  In the diagram above ∠OPQ is

  Options:
  A) 90${}^{\circ }$
  B) 53${}^{\circ }$
  C) 36${}^{\circ }$
  D) 26${}^{\circ }$
  Show Answer
  The correct answer is B .
• Question 1144: Musa borrows ₦10.00 at 2% per month simple interest and repays ₦8.00 after 4 months. How much does he still owe Options:
  A) ₦10.80
  B) ₦10.67
  C) ₦2.80
  D) ₦2.67
  Show Answer
  The correct answer is C .
• Question 1145: The chances of Usman and Dele passing a Mathematics test are 12 and 13 respectively. What is the probability that neither of them passes the test? Options:
  A) $\frac{3}{5}$
  B) $\frac{2}{5}$
  C) $\frac{4}{15}$
  D) $\frac{1}{5}$
  E) $\frac{2}{15}$
  Show Answer
  The correct answer is C .
• Question 1146:

  If D = $\left[\begin{array}{ccc}2& -1& 3\\ 4& 1& 2\\ 1& -3& 1\end{array}\right]$

  Find |D|

  Options:
  A) 16
  B) 14
  C) -23
  D) -37
  Show Answer
  The correct answer is C .
• Question 1147:

  If $\frac{2\sqrt{3}-\sqrt{2}}{\sqrt{3}+2\sqrt{2}}$ = m + n √ 6, find the values of m and n respectively.

  Options:
  A) 1, − 2
  B) − 2, n = 1
  C) $\frac{-2}{5}$, 1
  D) $\frac{2}{3}$
  Show Answer
  The correct answer is B .
• Question 1148:

  Solve the following quadratic inequality: $x^2-x$ - 4 ≤ 2

  Options:
  A) $-3<x<2$
  B) $-2\le x\le 3$
  C) $x\le -2,x\le 3$
  D) $-2<x<3$
  Show Answer
  The correct answer is B .
• Question 1149: The chances of Usman and Dele passing a Mathematics test are 12 and 13 respectively. What is the probability that neither of them passes the test? Options:
  A) $\frac{3}{5}$
  B) $\frac{2}{5}$
  C) $\frac{4}{15}$
  D) $\frac{1}{5}$
  E) $\frac{2}{15}$
  Show Answer
  The correct answer is C .
• Question 1150: find then equation line through (5, 7) parallel to the line 7x + 5y = 12 Options:
  A) 5x + 7y = 120
  B) 7x + 5y = 70
  C) x + y = 7
  D) 15x + 17y = 90
  Show Answer
  The correct answer is B .