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 1171:

  A man invested a sum of ₦280.00 partly at 5% and partly at 4%. if the total interest is ₦12.90 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 1172:

  

  In a class of 60 pupils, the statistical distribution of the numbers of pupils offering Biology, History, French, Geography and Additional mathematics is as shown in the pie chart. How many pupils offer Additional Mathematics?

  Options:
  A) 15
  B) 10
  C) 18
  D) 12
  E) 20
  Show Answer
  The correct answer is B .
• Question 1173: x varies directly as y and inversely as z. when x = 5, y = 2 and z = 1. What is the value of x when y = 5 and z = 2? Options:
  A) 2.5
  B) 5
  C) 6.25
  D) 6.52
  E) 7.5
  Show Answer
  The correct answer is C .
• Question 1174: If the distance between the points (x, 3) and (-x, 2) is 5. Find x Options:
  A) 6.0
  B) 2.5
  C) $\sqrt{6}$
  D) $\sqrt{3}$
  Show Answer
  The correct answer is C .
• Question 1175:

  If the mean of 2, 5, (x+1), (x+2), 7 and 9 is 6. Find the median

  Options:
  A) 5.5
  B) 5
  C) 6.5
  D) 6
  Show Answer
  The correct answer is C .
• Question 1176: If log₁₀2 = 0.3010 and log₁₀7 = 0.8451, evaluate log₁₀280 Options:
  A) 3.4471
  B) 2.4471
  C) 1.4471
  D) 1.4071
  Show Answer
  The correct answer is B .
• Question 1177: Evaluate (x + $\frac{1}{x}$ + 1)² - (x + $\frac{1}{x}$ + 1)² Options:
  A) 4x²
  B) ($\frac{2}{x}$ + 2)²
  C) 4
  D) 4(1 + x)
  Show Answer
  The correct answer is D .
• Question 1178: A side of a rhombus is 2cm in length. An angle of the rhombus is 60^o. What is the length of the diagonal facing this angle? Options:
  A) 2cm
  B) 8cm
  C) 4cm
  D) 2$\sqrt{3}$cm
  E) 16cm
  Show Answer
  The correct answer is D .
• Question 1179: If cos $\theta$ = $\frac{\sqrt{3}}{2}$ and $\theta$ is less than 90^o. Calculate cos$\frac{90-\theta }{si{n}^2\theta }$ Options:
  A) $\frac{4}{\sqrt{3}}$
  B) $\sqrt{\frac{3}{2}}$
  C) $\sqrt{\frac{76}{2}}$
  D) 4$\sqrt{\frac{76}{2}}$
  Show Answer
  The correct answer is A .
• Question 1180: Simplify $(\sqrt{6}+2{)}^2-(\sqrt{6}-2{)}^2$ Options:
  A) $2\sqrt{6}$
  B) $4\sqrt{6}$
  C) $8\sqrt{6}$
  D) $16\sqrt{6}$
  Show Answer
  The correct answer is C .