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     EduGorilla 
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    यदि सफेद गेंदों की संख्या 30 तथा काली गेंदों की संख्या 20 हैं, तो एक गेंद यदृच्छया लेने पर उसके सफेद होने की प्रायिकता क्या होगी?

    Options :-

    1. 2/3
    2. 3/5
    3. 3/13
    4. इनमें से कोर्इ नहीं

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