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Question

In how many ways can a cricket eleven be chosen out of a batch of 15 players if there is no restriction on the selection?

A
15C0
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B
15C1
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C
15C11
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D
None of these
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Solution

The correct option is B 15C11
Total number of ways of selecting 11 players out of 15 is,

=15C11................
(In the form of nCr)

=15C1511

=15C4

=15×14×13×124×3×2×1................(Using formula of nCr=n!r!(nr)!)

=1365

Hence option-C.

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