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55% of the students in school are boys. If the total number of girls in school is 720, find the number of total students in the school
1. 2600
2. 600
3. 1600
4. 1800

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Correct Answer - Option 3 : 1600

Given:

Total number of girls in school is  720

55% of the students are boys.

Calculation:

Out of 100%, 55% are boys,

Number of Girls,

⇒ 100 – 55 = 45%

According to the question,

⇒ 45% = 720

⇒ 1% = 720/45

⇒ 1% = 16

Total number of students,

⇒ 100 × 16

⇒ 1,600

∴ Total number of students are 1,600. 

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