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Let A and B be two sets containing four...

Let A and B be two sets containing four and two elements respectively tehn the number of subsets of the set `AxxB` each having at least three elements is

A

219

B

256

C

275

D

510

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • Let A and B be two sets containing four and two elements respectively. Then the number of subsets of the set A x B , each having at least three elements is :

    A
    219
    B
    256
    C
    275
    D
    510

  • Let A and B be two sets containing 2 elements and 4 elements respectively . The number of subsets of A x B having 3 . Or more elements is :

    A
    220
    B
    219
    C
    211
    D
    256

  • Let A and B be two sets consisting of m and n elements respectively (n ge m) . The number of one-one functions from A to B is

    A
    `n^(m)`
    B
    `n C_(n)`
    C
    `text "n C_(text (m )) xx m!`
    D
    `m^(prime prime)`

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