1. If 60% of the students in a school are boys and number of girls is 812, how many boys are there in the school?
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By: anil on 05 May 2019 01.49 am
Let total students = $$100x$$ => Boys = $$frac{60}{100} imes 100x=60x$$ => Girls = $$100x-60x=40x$$
Also, $$40x=812$$ => $$x=frac{812}{40}=20.3$$ $$ herefore$$ Number of boys = $$60 imes 20.3=1218$$ => Ans - (B)
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Also, $$40x=812$$ => $$x=frac{812}{40}=20.3$$ $$ herefore$$ Number of boys = $$60 imes 20.3=1218$$ => Ans - (B)