Mathematics: Ratio and Proportion, Indices, Logarithms
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Questions and Answers

What is the concept and application of different types of ratios called?

  • Duplicate Ratio
  • Triplicate Ratio
  • Compound Ratio (correct)
  • Inverse Ratio
  • If a certain sum of money is divided into three parts in a given ratio, what can be determined if the first part is given?

  • Total amount and the other two parts (correct)
  • Only the third part
  • Only the total amount
  • Only the second part
  • In the case where the ratio of boys and girls in a school is given along with the total number of students, what can be found out if the number of boys in the school is given?

  • The number of girls in the school (correct)
  • The total number of girls in the school
  • The ratio of girls to boys
  • The total number of students
  • What is the fraction a/b called if a and b are two quantities of the same kind?

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

    What are the quantities a and b called in a ratio, where a is called the first term or antecedent and b is called the second term or consequent?

    <p>Antecedent and Consequent</p> Signup and view all the answers

    In the ratio 5 : 6, what is 5 called?

    <p>First term</p> Signup and view all the answers

    According to the given text, which statement is true about ratios?

    <p>Ratios can only exist between quantities of the same kind.</p> Signup and view all the answers

    If a quantity increases or decreases in the ratio $a : b$, what is the new quantity?

    <p>$b/a$ of the original quantity</p> Signup and view all the answers

    What is the factor multiplying ratio if a quantity increases or decreases in the ratio $a : b$?

    <p>$ab$</p> Signup and view all the answers

    In the ratio 12 : 16, what is 16 called?

    <p>Second term</p> Signup and view all the answers

    What is true about comparing two ratios?

    <p>Convert them into equivalent like fractions.</p> Signup and view all the answers

    If there is no ratio between the number of students in a class and the salary of a teacher, what does it mean?

    <p>The number of students is not related to the salary of the teacher.</p> Signup and view all the answers

    If the ratio between 150 gm and 2 kg is $3 : 40$, what can be inferred?

    <p>$150/2000 = 3/40$</p> Signup and view all the answers

    What must be done to compare two ratios?

    <p>Convert them into equivalent like fractions.</p> Signup and view all the answers

    (Illustration VII) If Rounaq weighs 56.7 kg and reduces his weight in the ratio $7 : 6$, what is his new weight?

    <p>$56.7 × (6/7)$ kg</p> Signup and view all the answers

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