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 1041:

  Find the probability that a number selected at random from 41 to 56 is a multipleof 9

  Options:
  A) $\frac{1}{8}$
  B) $\frac{2}{15}$
  C) $\frac{3}{16}$
  D) $\frac{7}{8}$
  Show Answer
  The correct answer is A .
• Question 1042:

  

  Triangle SPT is the solution of the linear inequalities

  Options:
  A) 2y - x - 2 $\le$ 0, y + 2x + 2 $\ge$ 0, x $\ge$ 0
  B) 2y - x - 2 $\ge$ 0, y + 2x + 2 $\le$ 0, -2 $\ge$ x $\ge$ -1
  C) -2 $\ge$ x $\ge$ 2, y $\le$ 0, y + 2x + 2 $\ge$ 0, x $\ge$ 0
  D) 2y - x - 2 $\ge$ 0, y + 2x + 2 $\ge$ 0, y $\le$ 0, x $\ge$ 0
  Show Answer
  The correct answer is C .
• Question 1043: Write the decimal number 39 to base 2 Options:
  A) 10011 base 2
  B) 110111 base 2
  C) 111001 base 2
  D) 100101 base 2
  E) 19.5 base 2
  Show Answer
  The correct answer is A .
• Question 1044: The prime factors of 2520 are Options:
  A) 2, 9, 5
  B) 2, 9, 7
  C) 2, 3, 5, 7
  D) 2, 3, 7, 9
  Show Answer
  The correct answer is C .
• Question 1045: P sold his bicycle to Q at a profit of 10%. How much did the bicycle cost P? Options:
  A) ₦200
  B) ₦196
  C) ₦180
  D) ₦205
  E) ₦150
  Show Answer
  The correct answer is A .
• Question 1046: If tan $\theta$ = $\frac{m^2-n^2}{2mn}$ find sec$\theta$ Options:
  A) $\frac{m^2+n^2}{(m^2-n^2)}$
  B) $\frac{m^2+n^2}{2mn}$
  C) $\frac{mn}{2(m^2+n^2)}$
  D) $\frac{m^2{n}^2}{2(m^2-n^2)}$
  Show Answer
  The correct answer is B .
• Question 1047:

  If 1011₂ + x₇ = 25₁₀, solve for X.

  Options:
  A) 20₇
  B) 14₇
  C) 20₇
  D) 24₇
  Show Answer
  The correct answer is A .
• Question 1048: Simplify $\frac{\sqrt{5}(\sqrt{147}-\sqrt{12}}{\sqrt{15}}$ Options:
  A) 5
  B) $\frac{1}{5}$
  C) $\frac{1}{9}$
  D) 9
  Show Answer
  The correct answer is A .
• Question 1049: A point P moves such that it is equidistant from Points Q and R. Find QR when PR = 8cm and angle PRQ = 30° Options:
  A) 4√3cm
  B) 8cm
  C) 8√3cm
  D) 4cm
  Show Answer
  The correct answer is C .
• Question 1050: A father is now three times as old as his son. Twelve years ago he was six times as old as his son. How old are the son and the father? Options:
  A) 20 and 45
  B) 100 and 150
  C) 45 and 65
  D) 35 and 75
  E) 20 and 60
  Show Answer
  The correct answer is E .