Mathematics · Probability
एक बॉक्स में 6 गुलाबी, 4 लाल और 5 पीले कंचे हैं। यदि यादृच्छिक रूप से 2 कंचे चुने जाते हैं, तो दोनों कंचों के या तो पीले या गुलाबी होने की प्रायिकता ज्ञात कीजिए।
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