Question

the strength of a school is 1800 . If 55% of the students are girls, then how many ys are there in the school?

Answer 1

No. Of boys= 45% of 1800= 810

Answer 2

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