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 1331: If x + 2 and x - 1 are factors of the expression 1x³ + 2kx² + 24, find the values of 1 and K Options:
  A) 1 = -6, k = -9
  B) 1 = -2, k = 1
  C) k = -1, 1 = -2
  D) 1 = 0, k = 1
  E) k = 0,1 = 6
  Show Answer
  The correct answer is A .
• Question 1332: Thirty boys and x girls sat for a rest. The mean of the boys scores and that of the girls were respectively 6 and 8. Find x if the total scores was 468 Options:
  A) 38
  B) 24
  C) 36
  D) 22
  E) 41
  Show Answer
  The correct answer is C .
• Question 1333:

  What is the n-th term of the sequence 2, 6, 12, 20...?

  Options:
  A) 4n - 2
  B) 2(3^{n - 1})
  C) n² + n
  D) n² + 3n + 2
  Show Answer
  The correct answer is C .
• Question 1334: y varies directly as w². When y = 8, w = 2. Find y when w = 3 Options:
  A) 18
  B) 12
  C) 9
  D) 6
  Show Answer
  The correct answer is A .
• Question 1335: Given that Z = {1,2,4,5} what is the power of set Z? Options:
  A) 16
  B) 8
  C) 10
  D) 12
  Show Answer
  The correct answer is A .
• Question 1336:

  $\begin{array}{cccccc}\text{Class Interval}& 1-5& 6-10& 11-15& 16-20& 21-25\\ Frequency& 6& 15& 20& 7& 2\end{array}$

  Estimate the median of the frequency distribution above

  Options:
  A) 10$\frac{1}{2}$
  B) 11$\frac{1}{2}$
  C) 12
  D) 13
  Show Answer
  The correct answer is C .
• Question 1337: Simplify $\frac{(\frac{2}{3}-\frac{1}{5})-\frac{1}{3}\text{of}\frac{2}{5}}{3-\frac{1}{1\frac{1}{2}}}$ Options:
  A) $\frac{1}{7}$
  B) 7
  C) $\frac{1}{3}$
  D) 3
  Show Answer
  The correct answer is A .
• Question 1338: 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 1339:

  

  In the figure above, |CD| is the base of the triangle CDE. Find the area of the figure to the nearest whole number.

  Options:
  A) 56 cm${}^2$
  B) 24 cm${}^2$
  C) 42 cm${}^2$
  D) 34 cm${}^2$
  Show Answer
  The correct answer is D .
• Question 1340: ($\sqrt{2}+4\sqrt{2}$) ($\sqrt{3}+\sqrt{2}$) ($\sqrt{3}+\sqrt{2}$) is equal to Options:
  A) 1
  B) ($\sqrt{2}+4\sqrt{2}$)
  C) (6$\sqrt{2}$
  D) 8
  Show Answer
  The correct answer is A .