एका बॉक्समध्ये 6 पांढरे, 2 काळे आणि 3 लाल चेंडू आहेत. जर एखादा चेंडू यादृच्छिकपणे काढायचा असेल तर तो पांढरा नसण्याची संभाव्यता किती आहे?

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NTPC CBT-I (Held On: 9 Jan 2021 Shift 1)
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Option 2 :
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RRB NTPC Graduate Level Full Test - 01
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दिलेल्याप्रमाणे:

एका बॉक्समध्ये 6 पांढरे, 2 काळे आणि 3 लाल चेंडू आहेत.

वापरलेले सूत्र:

संभाव्यता = अपेक्षित निष्पत्तींची संख्या/शक्य निष्पत्तींची एकूण संख्या

गणना:

चेंडूंची एकूण संख्या = 6 + 2 + 3 = 11

∴ P(पांढरा चेंडू नाही) = 5/11

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