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 1301: The mean of 2-t, 4+t, 3-2t, 2+t and t-1 is Options:
  A) 2
  B) t
  C) -t
  D) -2
  Show Answer
  The correct answer is A .
• Question 1302:

  Find the infinity, the sum of the sequence 1, $\frac{9}{10}$, ($\frac{9}{10}$)², ($\frac{9}{10}$)³,...

  Options:
  A) 10
  B) 9
  C) $\frac{10}{9}$
  D) $\frac{9}{10}$
  Show Answer
  The correct answer is A .
• Question 1303:

  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 1304:

  

  In the diagram, PR is a diameter of the circle PQRS. PST and QRT are straight lines. Find QRS

  Options:
  A) 20${}^{\circ }$
  B) 25${}^{\circ }$
  C) 30${}^{\circ }$
  D) 35${}^{\circ }$
  Show Answer
  The correct answer is B .
• Question 1305: Simplify $\frac{1}{(x+1)}+\frac{1}{(x-1)}$ Options:
  A) 2x/(x + 1)(x−3)
  B) 2/(x + 1)(x−1)
  C) 2x/(x + 1)2
  D) 2x(x+1)2
  Show Answer
  The correct answer is B .
• Question 1306: The ratio of the base area of a hollow cone to that of its curved surface is 1:4. If its base radius is 7cm, calculate the slant height of the cone Options:
  A) 7cm
  B) 22cm
  C) 28cm
  D) 49cm
  E) 154cm
  Show Answer
  The correct answer is C .
• Question 1307:

  

  In the diagram. Find h

  Options:
  A) $\frac{12}{7}$cm
  B) $\frac{12}{7}\sqrt{6}$cm
  C) $\frac{7}{12}$cm
  D) $\frac{1}{2}$cm
  Show Answer
  The correct answer is B .
• Question 1308: Evaluate 1.25 × 102 × 0.125 × 103 × 12.5 × 10^-4 leaving your answer in standard form Options:
  A) 1.995 × 10³
  B) 1.95 × 10²
  C) 1.95 × 10¹
  D) 1.95 × 10^-2
  E) 1.95 × 10^-3
  Show Answer
  The correct answer is C .
• Question 1309: An arithmetic progression has first term 11 and fourth term 32. The sum of the first nine terms is Options:
  A) 351
  B) 531
  C) 135
  D) 153
  Show Answer
  The correct answer is A .
• Question 1310: Simplify 10² + log₁₀5 Options:
  A) 500
  B) 2 log₁₀ 5
  C) 10
  D) 25
  E) log₁₀5 x 10¹⁰⁰
  Show Answer
  The correct answer is E .