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 1: The sum of the progression is 1 + x + x² + x³ + ...... Options:
  A) $\frac{1}{1-x}$
  B) $\frac{1}{1+x}$
  C) $\frac{1}{x-1}$
  D) $\frac{1}{x}$
  Show Answer
  The correct answer is A .
• Question 2: A canal has rectangular cross section of width10cm and breadth 1m. If water of uniform density 1 gm cm^-3 flows through it at a constant speed of1000mm per minute, the adjacent sea is Options:
  A) 100000
  B) 1000000
  C) 120000
  D) 30000
  E) 350000
  Show Answer
  The correct answer is A .
• Question 3: The mean of seven numbers is 96. If an eighth number is added, the mean becomes 112. Find the eighth number. Options:
  A) 126
  B) 180
  C) 216
  D) 224
  Show Answer
  The correct answer is D .
• Question 4: Evaluate without using tables (0.008) -$\frac{1}{3}$ x (0.16) - $\frac{3}{2}$ Options:
  A) $\frac{625}{8}$
  B) $\frac{8}{625}$
  C) $\frac{1}{8}$
  D) 8
  Show Answer
  The correct answer is A .
• Question 5:

  Musa borrows N10.00 at 2% per month simple interest and repays N8.00 after 4 months. How much does he still owe?

  Options:
  A) N10.80
  B) N10.67
  C) N2.80
  D) N2.67
  Show Answer
  The correct answer is C .
• Question 6: A man invests a sum of money at 4% per annum simple invest. After 3 years, the principal amounts to ₦7,000.00. Find the sum invested Options:
  A) ₦7,840
  B) ₦6,250.00
  C) ₦616.00
  D) ₦5,833.33
  Show Answer
  The correct answer is B .
• Question 7:

  If $\frac{3-\sqrt{3}}{2+\sqrt{3}}=a+b\sqrt{3}$, what are the values a and b?

  Options:
  A) a = 9, b = -5
  B) a = 5, b = 9
  C) a = 9, b = 5
  D) a = -5, b = 9
  Show Answer
  The correct answer is A .
• Question 8:

  The time taken to do a piece of work is inversely proportional to the number of men employed. if it takes 45 men to do a piece of work in 5 days, how long will it take 25 men?

  Options:
  A) 15 days
  B) 12 days
  C) 5 days
  D) 9 days
  Show Answer
  The correct answer is D .
• Question 9: Find the value of ${\int }_0^{\pi }\frac{co{s}^2\theta -1}{si{n}^2\theta }d\theta$ Options:
  A) π
  B) π/2
  C) -π/2
  D) -π
  Show Answer
  The correct answer is D .
• Question 10:

  A man invested a total of ₦50000 in two companies. If these companies pay dividends of 6% and 8% respectively, how much did he invest at 8% if the total yield is ₦3700?

  Options:
  A) ₦15000
  B) ₦29600
  C) ₦27800
  D) ₦21400
  E) ₦35000
  Show Answer
  The correct answer is E .