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 1851: Solve for a positive number x such that 2(x³ - x² - 2x) = 1 Options:
  A) 4
  B) 3
  C) 2
  D) 1
  Show Answer
  The correct answer is C .
• Question 1852:

  

  In the figure, PQRS is a circle with ST||RQ. Find the value of x if PT = PS

  Options:
  A) 70${}^{\circ }$
  B) 55${}^{\circ }$
  C) 40${}^{\circ }$
  D) 35${}^{\circ }$
  Show Answer
  The correct answer is B .
• Question 1853: If $x=\frac{y}{2}$,evaluate$(\frac{x^3}{y^3}+\frac{1}{2})÷(\frac{1}{2}-\frac{x^2}{y^2})$ Options:
  A) 5/8
  B) 5/2
  C) 5/4
  D) 5/16
  Show Answer
  The correct answer is B .
• Question 1854:

  Evaluate ${1011}_{two}$ + ${1101}_{two}$ + ${1001}_{two}$ - ${111}_{two}$

  Options:
  A) 10001${}_{two}$
  B) 11001${}_{two}$
  C) 110001${}_{two}$
  D) 11010${}_{two}$
  E) 10001${}_{two}$
  Show Answer
  The correct answer is D .
• Question 1855: A man invested a sum of ₦280.00 partly at 5% and partly at 4%, if the total interest is ₦12.80 per annum, find the amount invested at 5%. Options:
  A) ₦14.00
  B) ₦120.00
  C) ₦140.00
  D) ₦160.00
  Show Answer
  The correct answer is D .
• Question 1856:

  The nth term of a sequence is given by 2${}^{2n-1}$. Find the sum of the first four terms.

  Options:
  A) 74
  B) 32
  C) 42
  D) 170
  Show Answer
  The correct answer is D .
• Question 1857:

  A machine valued at N20,000 depreciates by 10% every year. What will be the value of the machine at the end of two years?

  Options:
  A) N16,200
  B) N14,200
  C) N12,000
  D) N8,000
  Show Answer
  The correct answer is A .
• Question 1858:

  Evaluate $lo{g}_{\sqrt{2}}4+lo{g}_{\frac{1}{2}}16-lo{g}_{4}32$

  Options:
  A) -5.5
  B) -2.5
  C) 2.5
  D) 5.5
  Show Answer
  The correct answer is B .
• Question 1859: The nth term of two sequences are Q_n = 3 . 2^{n - 2} and U_m = 3 . 2^{2m - 3}. Find the product of Q₂ and U₂. Options:
  A) 18
  B) 12
  C) 6
  D) 3
  Show Answer
  The correct answer is A .
• Question 1860: 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 .