Mathematics · Probability
एक बैग में 4 लाल, 4 हरे और 3 नीले पेन हैं। यदि दो पेन यादृच्छिक (random) रूप से निकाले जाते हैं, तो इसकी क्या प्रायिकता है कि निकाला गया कोई भी पेन नीला नहीं है?
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सही उत्तर देखें
28 55
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