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यदि `52` पतों के ताश के गड्डी में से दो पते यादृच्छया खींचे जाते है, तब कम-से-कम एक हुकुम का पता तथा एक इक्का होने की प्रायिकता है
A. `1/34`
B. `8//221`
C. `1//26`
D. `2//51`

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Correct Answer - c
कुल स्थितियाँ , `n(E)=^(52)C_(2)`
तथा `n(E)=` एक हुकुम का पता और `3` इक्को में से `1` इक्का चुनने के तरीके या हुकुम का इक्का और एक हुकुम का अन्य पत्ता चुनने के तरीके
`=^(13)C_(1)xx^(3)C_(1)+^(12)C_(1)xx^(1)C_(1)=51`
`:. (P(E))=(51)/(.^(52)C_(2))=(1)/(26)`

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