Solved papers for JEE Main & Advanced JEE Main Paper (Held On 10 April 2015)

done JEE Main Paper (Held On 10 April 2015)

  • question_answer1) Let X be a set containing 10 elements and P(X) be its power set. If A and B are picked up at random from P(X), with replacement, then the probability that A and B have equal number of elements, is : JEE Main Online Paper (Held On 10 April 2015)

    A) \[\frac{({{2}^{10}}-1)}{{{2}^{20}}}\]                         

    B) \[\frac{({{2}^{10}}-1)}{{{2}^{10}}}\]

    C) \[\frac{^{20}{{C}_{10}}}{{{2}^{10}}}\]                     

    D) \[\frac{^{20}{{C}_{10}}}{{{2}^{20}}}\]

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JEE Main Online Paper (Held On 10 April 2015)
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