In a school survey it was found that for every 4 girls there were 5 boys.
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There are 200 students in school
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Given : In a school survey it was found that for every 4 girls there were 5 boys.
That statement means that the ratio between girls and boys is 4: 5. (Girls : Boys)
Percentage : {(Boys - Girl)/ Boys } × 100 = {(5 - 4)/ 5 } × 100
=> (1/ 5) × 100
=> 20%
The school has 20% more boys than girls.
Take a look :
If log10 5 + log10 (5x + 1) = log10 (x + 5) + 1, then x is equal to:
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each side is 16 m and height is 9 m.
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