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A school has 1200 students. If 60% of them are boys, how many girls are there in

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Question: A school has 1200 students. If 60% of them are boys, how many girls are there in the school?

Options:

  1. 480
  2. 720
  3. 600
  4. 540

Correct Answer: 720

Solution: 

Number of girls = 1200 - (60% of 1200) = 1200 - 720 = 480

A school has 1200 students. If 60% of them are boys, how many girls are there in

Practice Questions

Q1
A school has 1200 students. If 60% of them are boys, how many girls are there in the school?
  1. 480
  2. 720
  3. 600
  4. 540

Questions & Step-by-Step Solutions

A school has 1200 students. If 60% of them are boys, how many girls are there in the school?
  • Step 1: Find out how many boys are in the school by calculating 60% of 1200.
  • Step 2: To find 60% of 1200, multiply 1200 by 0.60 (which is the decimal form of 60%).
  • Step 3: Calculate 1200 * 0.60 = 720. This means there are 720 boys in the school.
  • Step 4: To find the number of girls, subtract the number of boys from the total number of students.
  • Step 5: Calculate 1200 - 720 = 480. This means there are 480 girls in the school.
  • Percentage Calculation – Understanding how to calculate a percentage of a total and how to use it to find a remaining quantity.
  • Subtraction – Applying subtraction to find the difference between the total number of students and the number of boys.
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