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 1201:

  

  On the curve, the points at which the gradient of the curve is equal to zero are

  Options:
  A) c, d, f. i, l
  B) b, e, g, j, m
  C) a, b, c, d, f, i, j, l
  D) c, d, f, h, i, l
  Show Answer
  The correct answer is B .
• Question 1202: Of the nine hundred students admitted in a university in 1979, the following was the distribution by state: Anambrs 185, Imo 135, Kaduna 90, Kwara 110, Ondo 155, Oyo 225. In a pie chart drawn to represent this distribution, The angle subtended at the centre by anambra is Options:
  A) 50^o
  B) 65^o
  C) 74^o
  D) 88^o
  Show Answer
  The correct answer is C .
• Question 1203: What is the mean deviation of 3, 5, 8, 11, 12 and 21? Options:
  A) 4.7
  B) 60
  C) 3.7
  D) 10
  Show Answer
  The correct answer is A .
• Question 1204: Find the value of x for which 2(3^{2x - 1}) = 162 Options:
  A) $\frac{3}{2}$
  B) $\frac{1}{2}$
  C) $\frac{5}{2}$
  D) $\frac{2}{5}$
  Show Answer
  The correct answer is C .
• Question 1205:

  

  The venn diagram above shows a class of 40 students with the games they play. How many of the students play two games only?

  Options:
  A) 19
  B) 16
  C) 15
  D) 4
  Show Answer
  The correct answer is C .
• Question 1206: find the mean deviation of 1, 2, 3 and 4 Options:
  A) 2.5
  B) 2.0
  C) 1.0
  D) 1.5
  Show Answer
  The correct answer is C .
• Question 1207: If x > 0, find the range of number x-3, 3x+2,x-1, 4x, 2x-1, x-2, 2x-2, 3x and 3x+1 Options:
  A) 3x+3
  B) 3x+1
  C) 2x+5
  D) 2x+1
  Show Answer
  The correct answer is C .
• Question 1208: Evaluate $\left|\begin{array}{ccc}4& 2& -1\\ 2& 3& -1\\ -1& 1& 3\end{array}\right|$ Options:
  A) 25
  B) 45
  C) 15
  D) 55
  Show Answer
  The correct answer is A .
• Question 1209: If the maximum value of $y=1+hx-3x^2$ is $13$, find $h$. Options:
  A) 13
  B) 12
  C) 11
  D) 10
  E) 14
  Show Answer
  The correct answer is B .
• Question 1210: Find the derivative of $\frac{\sin \theta }{\cos \theta }$ Options:
  A) sec² $\theta$
  B) tan $\theta$ cosec $\theta$
  C) cosec $\theta$sec $\theta$
  D) cosec²$\theta$
  Show Answer
  The correct answer is A .