among 1100 boys and 700 girls who have appeared for an examination,42%of the boys and 30 % of the girls passed In the examination.the failed percentage of the total is
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total no of boys and girls is 1800
no of boys passed =42/100 *1100 =464
no of girls passed= 30/100*700 =210
so;no of students failed = total no of students-. total no of students passed=1800-(464+210) =1126
percentage of students failed, =1126/1800*100= 57%
no of boys passed =42/100 *1100 =464
no of girls passed= 30/100*700 =210
so;no of students failed = total no of students-. total no of students passed=1800-(464+210) =1126
percentage of students failed, =1126/1800*100= 57%
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