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 1911: The distance travelled by a particle from a fixed point is given as s = (t³ - t² - t + 5)cm. Find the minimum distance that the particle can cover from the fixed point. Options:
  A) 2.3 cm
  B) 4.0cm
  C) 5.2
  D) g
  Show Answer
  The correct answer is B .
• Question 1912: If three numbers P, Q, R are in ratio 6 : 4 : 5, find the value of $\frac{3p-q}{4q+r}$ Options:
  A) $\frac{3}{2}$
  B) $\frac{2}{3}$
  C) 2
  D) 3
  E) 18
  Show Answer
  The correct answer is B .
• Question 1913:

  $\begin{array}{cccc}\text{Class Interval}& Frequency& \text{Class boundaries}& \text{Class Mid-point}\\ 1.5-1.9& 2& 1.45-1.95& 1.7\\ 2.0-2.4& 21& 1.95-2.45& 2.2\\ 2.5-2.9& 4& 2.45-2.95& 2.7\\ 3.0-2.9& 15& 2.95-3.45& 3.2\\ 3.5-3.9& 10& 3.45-3.95& 3.7\\ 4.0-4.4& 5& 3.95-4.45& 4.2\\ 4.5-4.9& 3& 4.45-4.95& 4.7\end{array}$

  The median of the distribution above is

  Options:
  A) 4.0
  B) 3.4
  C) 3.2
  D) 3.0
  Show Answer
  The correct answer is B .
• Question 1914:

  $\begin{array}{cccc}\text{Class Interval}& Frequency& \text{Class boundaries}& \text{Class Mid-point}\\ 1.5-1.9& 2& 1.45-1.95& 1.7\\ 2.0-2.4& 21& 1.95-2.45& 2.2\\ 2.5-2.9& 4& 2.45-2.95& 2.7\\ 3.0-2.9& 15& 2.95-3.45& 3.2\\ 3.5-3.9& 10& 3.45-3.95& 3.7\\ 4.0-4.4& 5& 3.95-4.45& 4.2\\ 4.5-4.9& 3& 4.45-4.95& 4.7\end{array}$

  Find the mode of the distribution above to find the mode of the distribution.

  Options:
  A) 3.2
  B) 3.3
  C) 3.7
  D) 4.2
  Show Answer
  The correct answer is B .
• Question 1915: If a $\ast$ b = + $\sqrt{ab}$, evaluate 2 $\ast$(12 $\ast$ 27) Options:
  A) 12
  B) 9
  C) 6
  D) 2
  Show Answer
  The correct answer is C .
• Question 1916: Assuming log_e 4.4 = 1.4816 and log_e 7.7 = 2.0142, then the value of log_e $\frac{7}{4}$ is Options:
  A) 0.5326
  B) 3.4958
  C) 0.4816
  D) 0.0142
  E) 1.3594
  Show Answer
  The correct answer is A .
• Question 1917:

  Let (*) be a binary operation on a natural number defined by a * b = a - b + (ab)${}^2$, then find 3 * 5

  Options:
  A) 223
  B) 232
  C) 32
  D) -232
  Show Answer
  The correct answer is A .
• Question 1918: The first term of an Arithmetic progression is 3 and the fifth term is 9. Find the number of terms in the progression if the sum is 81 Options:
  A) 12
  B) 27
  C) 9
  D) 4
  E) 36
  Show Answer
  The correct answer is C .
• Question 1919: Find to infinity, the sum of the sequence $1,\frac{9}{10},{\left(\frac{9}{10}\right)}^2,{\left(\frac{9}{10}\right)}^3,.....$ Options:
  A) 10
  B) 9
  C) ¹⁰/₉
  D) ⁹/₁₀
  Show Answer
  The correct answer is A .
• Question 1920: Find r, if 6r7₈ = 511₉ Options:
  A) 3
  B) 2
  C) 6
  D) 5
  Show Answer
  The correct answer is A .