Answers

2016-04-26T17:32:36+05:30
No. Of boys= 45% of 1800= 810
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2016-04-26T17:33:49+05:30
Given
The strength of a school is 1800
according to the question,
no.of girls = (55/ 100 ) ×1800
               = 990
then no.of boys = 1800- 990
                         = 810
            

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