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 1351: A man bought wrist watch for ₦150 but was only able to sell it for ₦120. Find the loss per cent on the transaction Options:
  A) 25%
  B) 11%
  C) 20%
  D) 80%
  E) 30%
  Show Answer
  The correct answer is C .
• Question 1352:

  Find the probability that a number selected at random from 41 to 56 is a multipleof 9

  Options:
  A) $\frac{1}{8}$
  B) $\frac{2}{15}$
  C) $\frac{3}{16}$
  D) $\frac{7}{8}$
  Show Answer
  The correct answer is A .
• Question 1353: The mean of 2-t, 4+t, 3-2t, 2+t and t-1 is Options:
  A) 2
  B) t
  C) -t
  D) -2
  Show Answer
  The correct answer is A .
• Question 1354: If 2257 is the result of subtracting 4577 from 7056 in base n, find n Options:
  A) 8$\frac{17}{30}$
  B) 9$\frac{9}{10}$
  C) 10$\frac{1}{10}$
  D) 11$\frac{11}{36}$
  Show Answer
  The correct answer is A .
• Question 1355:

  Simplify 2log $\frac{2}{5}$ - log$\frac{72}{125}$ + log 9

  Options:
  A) 1 - 4 log3
  B) -1 + 2 log 3
  C) -1 + 5 log2
  D) 1 - 2log 2
  Show Answer
  The correct answer is D .
• Question 1356: If k + 1; 2k - 1, 3k + 1 are three consecutive terms of a geometric progression, find the possible values of the common ratio Options:
  A) 0, 8
  B) -1, $\frac{5}{3}$
  C) 2, 3
  D) 1, -1
  Show Answer
  The correct answer is B .
• Question 1357: Evaluate ${\left(\frac{81}{16}\right)}^{\frac{-1}{4}}\times 2^{-1}$ Options:
  A) ¹/₃
  B) 3
  C) 6
  D) ¹/₆
  Show Answer
  The correct answer is A .
• Question 1358: When a dealer sells a bicycle for ₦81 he makes a profit of 8%. What did he pay for the bicycle? Options:
  A) ₦73
  B) ₦74.52
  C) ₦75
  D) ₦75.52
  E) ₦87.48
  Show Answer
  The correct answer is C .
• Question 1359:

  $\frac{d}{dx}[\log (4x^3-2x)]$ is equal to

  Options:
  A) $\frac{12x-2}{4x^2}$
  B) $\frac{43x^2-2x}{7x}$
  C) $\frac{4x^2-2}{7x+6}$
  D) $\frac{12x^2-2}{4x^3-2x}$
  Show Answer
  The correct answer is D .
• Question 1360:

  

  In the figure, PQ is a parallel to ST and QRS = 40${}^{\circ }$. Find the value of x.

  Options:
  A) 55${}^{\circ }$
  B) 60${}^{\circ }$
  C) 65${}^{\circ }$
  D) 75${}^{\circ }$
  Show Answer
  The correct answer is A .