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If the ratio of boys to girls in a class is 2:3 and there are 30 students in tot

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Question: If the ratio of boys to girls in a class is 2:3 and there are 30 students in total, how many boys are there?

Options:

  1. 12
  2. 18
  3. 15
  4. 10

Correct Answer: 12

Solution: 

Let the number of boys be 2x and girls be 3x. Then, 2x + 3x = 30, which gives 5x = 30. Therefore, x = 6. Number of boys = 2x = 2 * 6 = 12.

If the ratio of boys to girls in a class is 2:3 and there are 30 students in tot

Practice Questions

Q1
If the ratio of boys to girls in a class is 2:3 and there are 30 students in total, how many boys are there?
  1. 12
  2. 18
  3. 15
  4. 10

Questions & Step-by-Step Solutions

If the ratio of boys to girls in a class is 2:3 and there are 30 students in total, how many boys are there?
  • Ratios – Understanding and applying ratios to find quantities based on given relationships.
  • Algebraic Equations – Setting up and solving equations based on the relationships defined in the problem.
  • Total Count – Using the total number of students to establish a relationship between the variables.
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