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70% of the students in a school are boys and the number of girl is 504 . Find the number of boys in the school.
  1. 1176
  2. 1172
  3. 1174
  4. 1178
Explanation

Given,

70% of students are boys.

Then, 30% of students are girls.

( Because the total will be 100%)

We know that, number of girls is 504.

Let the total number of students be x.

Then, 30% of x = 504.

So, 30/100 * x = 504

So, x = 504 * 100/30

So, x = 1680 students

Then, the number of boys is 1680 - 504 = 1176

Therefore, there are 1176 boys in the school.

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