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 1371: If the 9th term of an A.P is five times the 5th term, find the relationship between a and d. Options:
  A) 2a + 2 = 0
  B) 3a + 5d = 0
  C) a + 3d = 0
  D) a + 2d = 0
  Show Answer
  The correct answer is C .
• Question 1372:

  Find all real number x which satisfy the inequality $\frac{1}{3}$ (x + 1) - 1 > $\frac{1}{5}$(x + 4)

  Options:
  A) x < 11
  B) x < -1
  C) x > 6
  D) x > 11
  Show Answer
  The correct answer is D .
• Question 1373: What is the mean deviation 0f 3, 5, 8, 11, 12 and 21? Options:
  A) 37
  B) 60
  C) 10
  D) 4.7
  Show Answer
  The correct answer is D .
• Question 1374:

  The perimeter of an isosceles right-angledtriangle is 2 meters. Find the length of its longer side.

  Options:
  A) 2 - $\sqrt{2}$
  B) -4 + 3$\sqrt{2}$
  C) It cannot be determined
  D) -2 + 2$\sqrt{2}$ m
  Show Answer
  The correct answer is D .
• Question 1375: Make x the subject of the relation $\frac{1+ax}{1-ax}$ = $\frac{p}{q}$ Options:
  A) $\frac{p+q}{a(p-q)}$
  B) $\frac{p-q}{a(p+q)}$
  C) $\frac{p-q}{apq}$
  D) $\frac{pq}{a(p-q)}$
  Show Answer
  The correct answer is B .
• Question 1376:

  

  The result of tossing a fair die 120 times is summarized above. Find the value of x

  Options:
  A) 19
  B) 20
  C) 21
  D) 22
  Show Answer
  The correct answer is B .
• Question 1377: The probability of an event P is $\frac{3}{4}$ while that of another event Q is $\frac{1}{6}$. If the probability of both P and Q is $\frac{1}{2}$. What is the probability of either P or Q. Options:
  A) $\frac{1}{96}$
  B) $\frac{1}{8}$
  C) $\frac{5}{6}$
  D) $\frac{11}{12}$
  Show Answer
  The correct answer is C .
• Question 1378: If a = 2, b = -2 and c = -$\frac{1}{2}$, evaluate (ab² - bc²)(a²c - abc) Options:
  A) 2
  B) -28
  C) -30
  D) -34
  Show Answer
  The correct answer is D .
• Question 1379:

  

  The diagram above is the graph of the function f(x). Determine the range of values of x for which f(x) $\ge$ 0.

  Options:
  A) x $\ge$ 2
  B) 0 $\ge$ x $\ge$ 2
  C) -2 $\ge$ x $\ge$ 0, x $\le$ 2
  D) x $\ge$ -2, 0 $\ge$ x $\ge$ 2
  Show Answer
  The correct answer is C .
• Question 1380: For an arithmetical sequence, the first term is 2 and the common difference is 3. Find the sum of the first 11 terms Options:
  A) 157
  B) 187
  C) 197
  D) 200
  Show Answer
  The correct answer is B .