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Re: (n/5)^2 [#permalink]
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n^2/25=1/5

5n^2=25

n^2=5

n=2.2 > 1/5

A is the answer
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Re: (n/5)^2 [#permalink]
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Carcass wrote:
n^2/25=1/5

5n^2=25

n^2=5

n=2.2 > 1/5

A is the answer


Answer should be D. Where am I going wrong?

Let's say n =1, Ans will be B
Let's say n = 5, Ans will be A

So its D
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Re: (n/5)^2 [#permalink]
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Carcass

Hello!

What happen if n is 0?, then whole term of a will be 0.
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Re: (n/5)^2 [#permalink]
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FCOCGALVAN wrote:
Carcass

Hello!

What happen if n is 0?, then whole term of a will be 0.


The OA is A.

However, you are right. There is no constraint at the beginning

Could be D
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Re: (n/5)^2 [#permalink]
Edit OA of this Question Carcass sir. Its answer can never be A.
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Re: (n/5)^2 [#permalink]
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kumarneupane4344 wrote:
Edit OA of this Question Carcass sir. Its answer can never be A.


Done.

However, The book reported A

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