Mathematics · Probability
एक थैले में 5 लाल और 7 नीली गेंदें हैं। बिना प्रतिस्थापन (without replacement) के यादृच्छिक रूप से दो गेंदें निकाली जाती हैं। दोनों गेंदों के लाल होने की प्रायिकता क्या है?
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