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 1331:

  If the simple interest on a sum of money invested at 3% per annum for 2$\frac{1}{2}$  years is ₦123, find the principal.

  Options:
  A) ₦676.50
  B) ₦820
  C) ₦1,640
  D) ₦4,920
  Show Answer
  The correct answer is C .
• Question 1332: If x, y can take values from the set (1, 2, 3, 4), find the probability that the product of x and y is not greater than 6 Options:
  A) $\frac{5}{8}$
  B) $\frac{5}{16}$
  C) $\frac{1}{2}$
  D) $\frac{3}{8}$
  Show Answer
  The correct answer is A .
• Question 1333: Find the distance between two towns p(45^o N, 30^oW) and Q(15^oS, 30^oW) if the radius of the earth is 7000km. [$\pi =\frac{22}{7}$] Options:
  A) $\frac{1100}{3}$km
  B) $\frac{2200}{3}$km
  C) $\frac{22000}{3}$km
  D) $\frac{1100}{3}$km
  Show Answer
  The correct answer is C .
• Question 1334: Find the equation of the straight line through (-2, 3) and perpendicular to 4x + 3y - 5 = 0 Options:
  A) 3x - 4y + 18 = 0
  B) 3x + 2y - 18 = 0
  C) 4x + 5y + 3 = 0
  D) 5x - 2y - 11 = 0
  Show Answer
  The correct answer is A .
• Question 1335: Two ladders of length 5m and 7m lean against a pole and make angles 45° and 60° with the ground respectively. What is their distance apart on the pole correct to two decimal places? Options:
  A) 9.60m
  B) 6.06m
  C) 2.54m
  D) 2.53m
  E) 2.00m
  Show Answer
  The correct answer is D .
• Question 1336:

  

  The figure represents the graphs of y = x(2 - x) and y = (x - 1)(x - 3). What are the x-coordinates of P, Q and F respectively?

  Options:
  A) 1, 3, 2
  B) 0, 0, 0
  C) 0, 2, 3
  D) 1, 2, 3
  Show Answer
  The correct answer is D .
• Question 1337:

  It takes 12 men 8 hours a day to finish a piece of work in 4 days. In how many days will it take 4 men working 16 hours a day to complete the same piece of work?

  Options:
  A) 6 days
  B) 8 days
  C) 10 days
  D) 12 days
  Show Answer
  The correct answer is A .
• Question 1338: The arithmetic mean of the ages of 30 pupils in a class is 15.3 years. One boy leaves the class and one girl is enrolled, and the new average age of 30 pupils in the class becomes 15.2 years. How much older is the boy than the girl?
  Options:
  A) 30 years
  B) 6 years
  C) 9 years
  D) 3 years
  E) 1 year
  Show Answer
  The correct answer is D .
• Question 1339: If x + $\frac{1}{x}$ = 4, find x² + $\frac{1}{x^2}$ Options:
  A) 16
  B) 14
  C) 12
  D) 9
  Show Answer
  The correct answer is B .
• Question 1340: Simplify $\frac{1}{5x+5}$ + $\frac{1}{7x+7}$ Options:
  A) $\frac{12}{35x+1}$
  B) $\frac{1}{35(x+1)}$
  C) $\frac{12x}{35(x+7)}$
  D) $\frac{12}{35x+35}$
  Show Answer
  The correct answer is A .