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Is n = 0

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Senior Manager
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Is n = 0  [#permalink]

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New post 21 Oct 2018, 19:12
00:00
A
B
C
D
E

Difficulty:

  25% (medium)

Question Stats:

59% (00:32) correct 41% (00:41) wrong based on 32 sessions

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Is n = 0

A. n! = 1

B. n^2=n^3=n^5

Posted from my mobile device

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Re: Is n = 0  [#permalink]

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New post 21 Oct 2018, 21:54
fitzpratik wrote:
Is n = 0

A. n! = 1

B. n^2=n^3=n^5

Posted from my mobile device


Note:-
1) 0!=1
2)1!=1
3)\(1^n=1\), where n=Any whole number

St1:- n! = 1
Possible values of n=0,1
Insufficient

St2:-\(n^2=n^3=n^5\)
Possible values of n=Any whole number
Insufficient.

Combined, we have numerous values of n; no unique value of 'n' is possible.

Therefore, insufficient.

Ans. (E)
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Re: Is n = 0   [#permalink] 21 Oct 2018, 21:54
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