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 1091: The difference between the length and width of a rectangle is 6cm and the area is 135cm${}^2$. What is the length? Options:
  A) 25cm
  B) 18cm
  C) 15cm
  D) 24cm
  E) 27cm
  Show Answer
  The correct answer is C .
• Question 1092: Divide x³ - 2x² - 5x + 6 by (x - 1) Options:
  A) x² - x - 6
  B) x² - 5x + 6
  C) x² - 7x + 6
  D) x² - 5x - 6
  Show Answer
  The correct answer is A .
• Question 1093: The sum of four numbers is 1214₅. What is the average expressed in base five? Options:
  A) 114
  B) 141
  C) 401
  D) 411
  Show Answer
  The correct answer is B .
• Question 1094:
  

  Given the quadrilateral RSTO inscribed in the circle with O as centre. Find the size angle x and given RST = 60^o

  Options:
  A) 100^o
  B) 140^o
  C) 120^o
  D) 10^o
  Show Answer
  The correct answer is C .
• Question 1095: In a basket of fruits, there are 6 grapes, 11 bananas and 13 oranges, if one fruit is chosen at random, what is the probability that the fruit is either a grape or a banana? Options:
  A) $\frac{17}{30}$
  B) $\frac{11}{30}$
  C) $\frac{6}{30}$
  D) $\frac{5}{30}$
  Show Answer
  The correct answer is A .
• Question 1096: In a basket of fruits, there are 6 grapes, 11 bananas and 13 oranges. If one fruit is chosen at random, what is the probability that the fruit is either a grape or a banana?
  Options:
  A) $\frac{17}{30}$
  B) $\frac{11}{30}$
  C) $\frac{6}{30}$
  D) $\frac{5}{30}$
  E) $\frac{7}{3}$
  Show Answer
  The correct answer is A .
• Question 1097: p varies directly as the square of q and inversely as r. If p = 36, when q = 36, when q = 3 and r = 4, find p when q = 5 and r = 2 Options:
  A) 72
  B) 100
  C) 90
  D) 200
  E) 125
  Show Answer
  The correct answer is D .
• Question 1098: The binary operation * is defined on the set of integers such that p * q = pq + p - q. Find 2 * (3 * 4) Options:
  A) 11
  B) 13
  C) 15
  D) 22
  Show Answer
  The correct answer is B .
• Question 1099: If y = 2x³ + 6x² + 6x + 1, Find $\frac{dy}{dx}$ Options:
  A) 6x² + 12x + 1
  B) 6x² + 6x + 1
  C) 6x² + 6x + 6
  D) 6x² + 12x + 6
  Show Answer
  The correct answer is D .
• Question 1100: A basket contains 9 apples, 8 bananas and 7 oranges. A fruit is picked from the basket, find the probability that it is neither an apple nor an orange. Options:
  A) $\frac{3}{8}$
  B) $\frac{1}{3}$
  C) $\frac{7}{24}$
  D) $\frac{2}{3}$
  Show Answer
  The correct answer is B .