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If ""^"N""P"_4 : ""^"N""P"_5 = 1 : 2, Then N is Equal To: -

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Question

If `""^"n""P"_4 : ""^"n""P"_5 = 1 : 2`, then n is equal to:

Options

  • 2

  • 4

  • 5

  • 6

MCQ

Solution

6

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Permutation and Combination (Entrance Exam)
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