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

What is the concept of ratio as per the given text?

  • Comparison of the sizes of two or more quantities by multiplication
  • Comparison of the sizes of two or more quantities by addition
  • Comparison of the sizes of two or more quantities by division (correct)
  • Comparison of the sizes of two or more quantities by subtraction

    • What is the term used for the fraction a/b in a ratio a : b?

  • Duplicate
  • Antecedent (correct)
  • Consequent
  • Triplicate

    • In the given ratio a : b, what does 'a' represent?

  • Second term
  • Triplicate ratio
  • Antecedent (correct)
  • Duplicate ratio

    • What can be determined if the ratio of boys to girls in a school is given along with the total number of students?

    <p>The total number of girls in the school</p> Signup and view all the answers

    What type of ratio is used when a certain sum of money is divided into three parts in a given ratio?

    <p>Triplicate ratio</p> Signup and view all the answers

    Which type of ratio involves the comparison of the same kind of quantities by division?

    <p>Compound ratio</p> Signup and view all the answers

    In the ratio 12 : 16, what is the first term?

    <p>12</p> Signup and view all the answers

    What is the correct way to express the ratio 25 minutes to 45 seconds?

    <p>1500/45 : 100/3</p> Signup and view all the answers

    What is the factor multiplying ratio if a quantity increases in the ratio 7 : 6?

    <p>6/7</p> Signup and view all the answers

    If Rounaq's original weight is 56.7 kg and he reduces his weight in the ratio 7 : 6, what is his new weight?

    <p>48.6 kg</p> Signup and view all the answers

    How would you simplify the ratio 1/3 : 1/8 : 1/6?

    <p>8:3:4</p> Signup and view all the answers

    What does it mean when it is said that 'the order of the terms in a ratio is important'?

    <p>The ratio is different if the terms are reversed.</p> Signup and view all the answers

    In which situation would no ratio exist?

    <p>(ii) There is no ratio between the weight of one child and the age of another child.</p> Signup and view all the answers

    Why is it important for quantities to be compared in the same units when finding a ratio?

    <p>To ensure accurate comparison.</p> Signup and view all the answers

    (i) What is the ratio between 150 gm and 2 kg? (ii) What is the ratio between 25 minutes and 45 seconds?

    <p>(i) 150 : 2000, (ii) 1500 : 100</p> Signup and view all the answers

    (i) How would you compare two ratios? (ii) How did we compare the ratios '2 1/3 : 3 1/3' and '3.6 : 4.8'?

    <p>(i) Convert them into equivalent like fractions. (ii) Found their lowest common multiple.</p> Signup and view all the answers

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