1100 boys and 700 girls are examined in a test; 42% of the boys and 30% of the girls pass. The percentage of the total who failed is: *
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Given that total no.of boys=1100
total pass in boys=(1100×42)/100
=462
the total no.of girls =700
then , total no.of girls pass=(700×30)/100
=210
total no.of students=1100+700=1800
total no of students pass=210+462=672
the percentage of students who passed=(672/1800)×100=37.3
the total no.of students percentage who failed in examination=100-37.3))
=62.6
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