Percentage Proficiency
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Questions and Answers

What does the term 'percentage' refer to in mathematics?

  • A number expressed in scientific notation
  • A number expressed as a fraction of 1000
  • A number or ratio expressed as a fraction of 100 (correct)
  • A number expressed as a fraction of 10

    • How is 45% expressed as a fraction?

  • $0.45/1$
  • $45/1000$
  • $45/100$ (correct)
  • $4.5/10$

    • If 50% of the total number of students in a class are male, and there are 500 students, how many of them are male?

  • 50
  • 250 (correct)
  • 500
  • 100

    • What is the symbol used to express a number as a fraction of 1,000?

    <p>‰</p> Signup and view all the answers

    What is 35% expressed as a fraction?

    <p>$\frac{35}{100}$</p> Signup and view all the answers

    What is a percentage primarily used for expressing?

    <p>Proportions</p> Signup and view all the answers

    What is 75% expressed as a decimal?

    <p>0.75</p> Signup and view all the answers

    If a shirt is discounted by 20%, what fraction of the original price does it cost?

    <p>$\frac{4}{5}$</p> Signup and view all the answers

    If 40% of a number is 80, what is the number?

    <p>120</p> Signup and view all the answers

    If a land parcel is reduced by 15% in size, what percentage represents the remaining size compared to the original?

    <p>85%</p> Signup and view all the answers

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