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 2671:

  

  The bar chart above shows the marks obtained by students in a mathematics test.

  How many students in all took the test?

  Options:
  A) 40
  B) 30
  C) 10
  D) 20
  Show Answer
  The correct answer is A .
• Question 2672:

  If three staff of Chukwudi and Sons Ltd. agreed to share their salary arrears in the ration of their ages, which are 18 years, 20 years, 22 years respectively. If the sum of the money collected is ₦120,000.00K, How much does the second staff receive?

  Options:
  A) ₦36,000
  B) ₦44,000
  C) ₦40,000
  D) ₦15,000
  Show Answer
  The correct answer is C .
• Question 2673:

  Correct each of the numbers 59.81798 and 0.0746829 to three significant figures and multiply them, giving your answer to three significant figures

  Options:
  A) 4.46
  B) 4.48
  C) 4.47
  D) 4.49
  E) 4.50
  Show Answer
  The correct answer is C .
• Question 2674:

  Given that A = {3, 4, 1, 10, ⅓ }

  B = {4, 3 ⅓, ⅓, 7}.

  Find A∩B

  Options:
  A) {}
  B) {⅓, 1, 2}
  C) {3, 4, ⅓}
  D) {1, 3, ⅓}
  Show Answer
  The correct answer is C .
• Question 2675: If $\left|\begin{array}{cc}5& 3\\ x& 2\end{array}\right|$ = $\left|\begin{array}{cc}3& 5\\ 4& 5\end{array}\right|$, find the value of x Options:
  A) 3
  B) 4
  C) 5
  D) 7
  Show Answer
  The correct answer is C .
• Question 2676: Find the sum to infinity of the series
  $\frac{1}{4}$, $\frac{1}{8}$, $\frac{1}{16}$,.......... Options:
  A) $\frac{1}{2}$
  B) $\frac{3}{5}$
  C) $\frac{-1}{5}$
  D) $\frac{73}{12}$
  Show Answer
  The correct answer is A .
• Question 2677: Simply $\frac{2\frac{2}{3}\times 1\frac{1}{2}}{4\frac{4}{5}}$ Options:
  A) $1\frac{1}{4}$
  B) $1\frac{1}{6}$
  C) $\frac{5}{6}$
  D) $\frac{4}{5}$
  Show Answer
  The correct answer is C .
• Question 2678:

  Calculate 243${}_{six}$ – 243${}_{five}$ expressing your answer in base 10.

  Options:
  A) 1
  B) 26
  C) 46
  D) 0
  Show Answer
  The correct answer is C .
• Question 2679: The variance of x, 2x, 3x, 4x and 5x is Options:
  A) x√2
  B) 2x²
  C) x²
  D) 3x
  Show Answer
  The correct answer is B .
• Question 2680: A sector of angle 120° is cut out from a circle of radius 13.5cm. what area of the circle is remaining ? (π = $\frac{22}{7}$) Options:
  A) 14.1cm²
  B) 95.5cm²
  C) 190.9cm²
  D) 381.9cm²
  E) 763.7cm²
  Show Answer
  The correct answer is D .