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Let set A = { 1, 2, 3, ….., 22} . Set ...

Let set ` A = { 1, 2, 3, ….., 22} ` . Set B is a subset of A and B has exactly 11 elements, find the sum of elements of all possible subsets B .

A

` 252^(21)C_(11) `

B

` 230^(21)C_(10) `

C

` 253^(21)C_(9) `

D

` 253^(21)C_(10) `

Text Solution

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The correct Answer is:
D
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