35% of the students in a college are girls and the rest are boys. The

1.	35% of the students in a college are girls and the rest are boys. The total number of students in the college is 2800. 75% of the boys and 85% of the girls passed the final examination. The percentage of total students who passed the final examination is :1. 80%2. 82%3. 78%4. 78.5%
Answer» Correct Answer - Option 4 : 78.5% Given: Total number of students in a college = 2800 Calculation: Total girls in a college = 2800 × 35/100 = 980 Total boys in a college = 2800 - 980 = 1820 Total number of girls and boys passed in exam = 980 × 85/100 + 1820 × 75/100 = 833 + 1365 = 2198 ∴ The percentage of total students who passed the final examination is = 2198/2800 × 100 = 78.5%

35% of the students in a college are girls and the rest are boys. The total number of students in the college is 2800. 75% of the boys and 85% of the girls passed the final examination. The percentage of total students who passed the final examination is :1. 80%2. 82%3. 78%4. 78.5%

Answer» Correct Answer - Option 4 : 78.5%

Given:

Total number of students in a college = 2800

Calculation:

Total girls in a college = 2800 × 35/100 = 980

Total boys in a college = 2800 - 980 = 1820

Total number of girls and boys passed in exam = 980 × 85/100 + 1820 × 75/100 = 833 + 1365 = 2198

∴ The percentage of total students who passed the final examination is = 2198/2800 × 100 = 78.5%

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35% of the students in a college are girls and the rest are boys. The total number of students in the college is 2800. 75% of the boys and 85% of the girls passed the final examination. The percentage of total students who passed the final examination is :1. 80%2. 82%3. 78%4. 78.5%

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