1. Second Chance App
  2. Bihar Open School
  3. Main Course-Hindi
  4. गणित
  5. Learning
  6. 10
  7. 8. प्रतिशतता तथा इसके अनुप्रयोग
  8. READ & UNDERSTAND
  9. Chapter-8 प्रतिशतता और इसके अनुप्रयोग

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