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What is the average of the number of students who scored 50 or more than 50 marks but less than 60 marks in Punjabi and the number of students who scored 50 or more than 50 marks but less than 60 marks in Hindi ?
1. 180
2. 150
3. 200
4. 140
पंजाबी में 50 या 50 से अधिक लेकिन 60 से कम अंक प्राप्त करने वाले छात्रों की संख्या और हिंदी में 50 या 50 से अधिक लेकिन 60 से कम अंक प्राप्त करने वाले छात्रों की संख्या का औसत क्या है?
1. 180
2. 150
3. 200
4. 140
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UGC-NET-ComSci-26-June-2025-Shift-1-Q1
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Detailed Explanation & Answer
To find the average of the number of students who scored 50 or more but less than 60 marks in Punjabi and Hindi:
Step 1: Total students = 1200
Step 2: Using cumulative percentages:
- Students scoring 60 and above = 65% of 1200 = 0.65 × 1200 = 780
- Students scoring 50 and above = 90% of 1200 = 0.90 × 1200 = 1080
⇒ Students scoring between 50 and 59 = 1080 - 780 = 300
Step 3: From the table (Hindi students):
- Scoring 60 and above = 424
- Scoring 50 and above = 554
⇒ Hindi students scoring between 50 and 59 = 554 - 424 = 130
Step 4: Punjabi students scoring between 50 and 59 = 300 - 130 = 170
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