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एक प्रयोग के सफल होने का संयोग उसके असफल...

एक प्रयोग के सफल होने का संयोग उसके असफल होने से दो गुना है। प्रायिकता ज्ञात कीजिए कि अगले छः परीक्षणों में कम से कम 4 सफल होंगे।

A

`(496)/(729)`

B

`(233)/(729)`

C

`(432)/(729)`

D

`(256)/(729)`

Text Solution

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The correct Answer is:
A
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The numerator of a fraction is 6 less than its denominator. If 1 is subtracted from its numerator and 5 is added to its denominator, then its denominator becomes 4 times its numerator. Find the fraction. एक भिन्न का अंश इसके हर से 6 कम है। यदि इसके अंश में से 1 घटाया जाए और इसके हर में 5 जोड़ा जाए, तो इसका हर इसके अंश से 4 गुना हो जाता है। भिन्न ज्ञात कीजिए।

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