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 1271: If $\sqrt{3^x}$ = $\sqrt{9}$ then the value of x is: Options:
  A) $\frac{3}{4}$
  B) $\frac{4}{3}$
  C) $\frac{1}{3}$
  D) $\frac{2}{3}$
  E) $\frac{1}{2}$
  Show Answer
  The correct answer is E .
• Question 1272: In 1984, Ike was 24 yrs old and his father was 45 yrs old. In what year was Ike exactly half his father's age? Options:
  A) 1981
  B) 1979
  C) 1982
  D) 1978
  Show Answer
  The correct answer is A .
• Question 1273:

  If the simple interest on a sum of money invested at 3% per annum for 2$\frac{1}{2}$  years is ₦123, find the principal.

  Options:
  A) ₦676.50
  B) ₦820
  C) ₦1,640
  D) ₦4,920
  Show Answer
  The correct answer is C .
• Question 1274: 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 .
• Question 1275: x varies directly as y and inversely as z. when x = 5, y = 2 and z = 1. What is the value of x when y = 5 and z = 2? Options:
  A) 2.5
  B) 5
  C) 6.25
  D) 6.52
  E) 7.5
  Show Answer
  The correct answer is C .
• Question 1276: If x + $\frac{1}{x}$ = 4, find x² + $\frac{1}{x^2}$ Options:
  A) 16
  B) 14
  C) 12
  D) 9
  Show Answer
  The correct answer is B .
• Question 1277:

  Find the missing value in the table below:

  $\begin{array}{ccccccccc}x& -4& -3& -2& -1& 0& 1& 2& 3\\ y=4-3x-x^3& 80& & 18& 8& 4& 0& -10& -32\end{array}$

  Options:
  A) -32
  B) -14
  C) 40
  D) 22
  E) 37
  Show Answer
  The correct answer is C .
• Question 1278: The n^th term of the progression $\frac{4}{2}$, $\frac{7}{3}$, $\frac{10}{4}$, $\frac{13}{5}$ is ... Options:
  A) $\frac{1-3n}{n+1}$
  B) $\frac{3n+1}{n+1}$
  C) $\frac{3n+1}{n-1}$
  D) $\frac{3n-1}{n+1}$
  Show Answer
  The correct answer is B .
• Question 1279: In a youth club with 94 members, 60 like modern music, and 50 like traditional music. The number of members who like both traditional and modern music is three times those who do not like any type of music. How many members like only one type of music? Options:
  A) 8
  B) 24
  C) 62
  D) 86
  Show Answer
  The correct answer is C .
• Question 1280: if x - 1 and x + 1 are both factors of the equation x ³ + px² + qx + 6 = 0, evaluate p and q Options:
  A) -6, -1
  B) 6, 1
  C) 1, -1
  D) 6, -6
  Show Answer
  The correct answer is A .