Multiple choice

In two successive years, 80 and 60 students of a school appeared at the final examination of which 60% and 80% passed respectively. The average rate of students passed (in percent) is दो क्रमागत वर्षों में, एक स्कूल के 80 और 60 बच्चे निर्णायक परीक्षा में भाग लेते हैं जिसमें से क्रमशः 60% और 80% उत्तीर्ण हुए | छात्रों की औसत उत्तीर्ण दर (प्रतिशत) में है |

  1. 68%

  2. 68(4/7)%

  3. 70%

  4. 72(3/7)%
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B Correct answer
Explanation

First year: 80 students, 60% passed = 48 passed. Second year: 60 students, 80% passed = 48 passed. Total passed = 96 out of 140 total students. Average percentage = (96/140) × 100 = 480/7 = 68(4/7)%.

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