Question

Of The 200 Students In A School 70 % Are Girls And 30% Are Boys . What Will Be The Percentage Of Girls If No Pupil Leave And No New Girls But 20 New Boys Are Admitted​

Answer 1

Total students = 200

Percentage of boys = 70%

Percentage of girls = 30%

Total no. of boys = 70/100*200 = 140

Total no. of girls = 30/100*200 = 60

20 new boys are admitted in the school

So, total no. of boys = 140+20 = 160

Now, the total no. of students = 160+60 = 220

So, the percentage of girls now = 60/220*100

= 27.2727273%

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