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If the ratio of boys to girls in a class is 3:2 and there are 15 boys, how many

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Question: If the ratio of boys to girls in a class is 3:2 and there are 15 boys, how many girls are there?

Options:

  1. 5
  2. 10
  3. 15
  4. 20

Correct Answer: 10

Solution: 

Let the number of girls be 2x. Then, 3x = 15; x = 5. Number of girls = 2x = 10.

If the ratio of boys to girls in a class is 3:2 and there are 15 boys, how many

Practice Questions

Q1
If the ratio of boys to girls in a class is 3:2 and there are 15 boys, how many girls are there?
  1. 5
  2. 10
  3. 15
  4. 20

Questions & Step-by-Step Solutions

If the ratio of boys to girls in a class is 3:2 and there are 15 boys, how many girls are there?
  • Ratio and Proportion – Understanding and applying the concept of ratios to find unknown quantities.
  • Algebraic Representation – Using variables to represent quantities and solve equations.
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