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 1591: Some white balls put in a basket containing twelve red balls and sixteen black balls. If the probability of picking a white balls from the baskets is 3/7, how many white balls were introduced? Options:
  A) 12
  B) 21
  C) 28
  D) 32
  Show Answer
  The correct answer is B .
• Question 1592:

  Evaluate $\frac{2{\log }_{3}9\times {\log }_3{81}^{-2}}{{\log }_{5}625}$

  Options:
  A) 4
  B) -32
  C) -8
  D) 16
  Show Answer
  The correct answer is C .
• Question 1593: Twenty girls and y boys sat on an examination. The mean marks obtained by the girls and boys were 52 and 57 respectively. if the total score for both girls and boys was 2950, find y. Options:
  A) 51
  B) 48
  C) 30
  D) 25
  E) 18
  Show Answer
  The correct answer is C .
• Question 1594:

  Find the sum to infinity of the following sequence: $1,\frac{9}{10},(\frac{9}{10}{)}^2,(\frac{9}{10}{)}^3,...$

  Options:
  A) $\frac{1}{10}$
  B) $\frac{9}{10}$
  C) $\frac{10}{9}$
  D) 10
  Show Answer
  The correct answer is D .
• Question 1595: The chances of Usman and Dele passing a Mathematics test are 12 and 13 respectively. What is the probability that neither of them passes the test? Options:
  A) $\frac{3}{5}$
  B) $\frac{2}{5}$
  C) $\frac{4}{15}$
  D) $\frac{1}{5}$
  E) $\frac{2}{15}$
  Show Answer
  The correct answer is C .
• Question 1596: The sides of a triangle are(x + 4)cm, xcm and (x - 4)cm, respectively If the cosine of the largest angle is $\frac{1}{5}$, find the value of x Options:
  A) 24cm
  B) 20cm
  C) 28cm
  D) 7cm
  E) $\frac{88}{7}$
  Show Answer
  The correct answer is A .
• Question 1597: If x³ - 12x - 16 = 0 has x = -2 as a solution then the equaion has Options:
  A) x = -4 as a solution also
  B) 3 roots all different
  C) 3 roots with two equal and the third different
  D) 3 roots all equal
  E) only one root
  Show Answer
  The correct answer is B .
• Question 1598:

  How many different 8 letter words are possible using the letters of the word SYLLABUS?

  Options:
  A) (8 - 1)!
  B) $\frac{8!}{2!}$
  C) $\frac{8!}{2!2!}$
  D) 8!
  Show Answer
  The correct answer is C .
• Question 1599: Find the sum to infinity to the following series 3 + 2 + $\frac{4}{3}$ + $\frac{8}{9}$ + $\frac{16}{17}$ + ..... Options:
  A) 1270
  B) 190
  C) 18
  D) 9
  Show Answer
  The correct answer is D .
• Question 1600:

  Find p in terms of q if log₃ p + 3 log₃ q = 3

  Options:
  A) ($\frac{3}{q}$)³
  B) ($\frac{q}{3}$)^{$\frac{1}{3}$}
  C) ($\frac{q}{3}$)³
  D) ($\frac{3}{q}$)^{$\frac{1}{3}$}
  Show Answer
  The correct answer is A .