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 511:

  In a committee of 5, which must be selected from 4 males and 3 females. In how many ways can the members be chosen if it were to include 2 females?

  Options:
  A) 144 ways
  B) 15 ways
  C) 185 ways
  D) 12 ways
  Show Answer
  The correct answer is D .
• Question 512: Write the decimal number 39 to base 2 Options:
  A) 10011 base 2
  B) 110111 base 2
  C) 111001 base 2
  D) 100101 base 2
  E) 19.5 base 2
  Show Answer
  The correct answer is A .
• Question 513:

  If given two points A(3, 12) and B(5, 22) on a x-y plane. Find the equation of the straight line with intercept at 2.

  Options:
  A) y = 5x + 2
  B) y = 5x + 3
  C) y = 12x + 2
  D) y = 22x + 3
  Show Answer
  The correct answer is A .
• Question 514: The ratio of the base area of a hollow cone to that of its curved surface is 1:4. If its base radius is 7cm, calculate the slant height of the cone Options:
  A) 7cm
  B) 22cm
  C) 28cm
  D) 49cm
  E) 154cm
  Show Answer
  The correct answer is C .
• Question 515: A variable point p(x, y) traces a graph in a two-dimensional plane. (0, 3) is one position of P. If x increases by 1 unit, y increases by 4 units. The equation of the graph is Options:
  A) -3 = $\frac{y+4}{x+1}$
  B) 4y = -3 + x
  C) $\frac{y}{x}$ = $\frac{-3}{4}$
  D) 4x = y + 3
  Show Answer
  The correct answer is D .
• Question 516: A pair of shoes was sold for N2,250.00 at a loss of 10%. What was the cost price? Options:
  A) N750.00
  B) N2,500.00
  C) N2,538.00
  D) N3,288.00
  E) N4,038.00
  Show Answer
  The correct answer is B .
• Question 517: If y = 4x³ - 2x² + x, find $\frac{\delta y}{\delta x}$ Options:
  A) 8x² - 2x + 1
  B) 8x² - 4x + 1
  C) 12x² - 2x + 1
  D) 12x² - 4x + 1
  Show Answer
  The correct answer is D .
• Question 518: 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 519: calculate the simple interest on N6,500 for 8 years at 5% per annum. Options:
  A) N3,000
  B) N600
  C) N300
  D) N150
  Show Answer
  The correct answer is A .
• Question 520:

  The pie chart shows the monthly expenditure of a public servant. The monthly expenditure on housing is twice that of school fees. How much does the worker spend on housing if his monthly income is ₦7200?

  Options:
  A) ₦1000
  B) ₦2000
  C) ₦3000
  D) ₦4000
  Show Answer
  The correct answer is B .