Confused about how your Class 10 CBSE percentage is calculated? Heard about the “Best of 5” rule but not sure what it means? Don’t worry—this blog breaks it down clearly so you can understand how your marks are counted and how to use this rule to your advantage.
What is the Best of 5 Rule in CBSE Class 10?
The Best of 5 rule means that when calculating your overall percentage or aggregate marks, only your top 5 scoring subjects are considered—even if you appeared for 6 or more subjects.
This rule is especially helpful for students who take an additional subject like IT, Home Science, or a third language. If you score lower in one subject, it won’t affect your overall percentage—as long as your other 5 subjects have better scores.
How Does It Work?
Let’s say you appeared for 6 subjects:
- English – 85
- Hindi – 80
- Maths – 95
- Science – 90
- Social Science – 88
- IT – 70
👉 Your top 5 scores are: Maths, Science, Social Science, English, Hindi
IT (lowest score) is excluded from percentage calculation.
So your percentage = (85 + 80 + 95 + 90 + 88) / 5 = 87.6%
Why Is This Rule Important?
- Reduces stress for students who struggle in one subject
- Improves overall percentage for college admissions
- Encourages subject exploration without fear of marks loss
- Protects your aggregate if one paper didn’t go well
CBSE’s Official Stand
CBSE does not officially declare percentages on marksheets. However, for admissions or job applications, institutions may calculate your percentage using the Best of 5 rule.
FAQs – Best of 5 Rule in CBSE Class 10
Is the Best of 5 rule officially declared by CBSE?
CBSE does not declare percentages, but institutions often use Best of 5 to calculate aggregate.
Can I choose which subjects count in Best of 5?
No, the top 5 scoring subjects are automatically considered—lowest score is excluded.
What if I only appeared for 5 subjects?
Then all 5 subjects are counted—no exclusion applies.
Does this rule apply to internal marks too?
Yes, each subject is assessed out of 100 (80 external + 20 internal), and total marks are considered.
Will this help in college admissions?
Absolutely! Many colleges use Best of 5 to calculate eligibility and cut-offs.
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