In a class 60% of the students are girls and the rest are boys. Out of these, girls are 30 more than…
Girls (60%) − Boys (40%) = 20% of total = 30, so total students = 150 (90 girls, 60 boys). Total passed = \(68\% \text{ of } 150 = 102\). Since 30 boys passed, \(102 - 30 =…
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In a class 60% of the students are girls and the rest are boys. Out of these, girls are 30 more than the boys. If 68% of the students, including 30 boys, pass an examination, then the percentage of the girls who do not pass the examination is -
Answer and explanation
Correct answer B
Girls (60%) − Boys (40%) = 20% of total = 30, so total students = 150 (90 girls, 60 boys). Total passed = . Since 30 boys passed, girls passed, and girls failed. Percentage of girls who failed .
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RPSC Statistical Officer