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JEE Advanced 2017 Paper 2

Section: Mathematics

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Question : 42

Total: 54

Let S={1,2,3,...,9},For k=1,2,....,5 let NK be the number of subsets of S, each containing five elements out of which exactly k are odd. Then N1+N2+N3+N4+N5=?

[JEE Adv 2017 P2]

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