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# If A = 1/5^2 + 2/5^3 +.... + 11/5^12, which of the following is true

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Intern
Joined: 10 Feb 2017
Posts: 36
Location: Viet Nam
GPA: 3.5
WE: General Management (Education)
If A = 1/5^2 + 2/5^3 +.... + 11/5^12, which of the following is true  [#permalink]

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09 Jul 2018, 00:05
00:00

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 100% (01:52) wrong based on 3 sessions

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If A = 1/5^2 + 2/5^3 + 3/5^4 +....+ 11/5^12

A. 1/8<A<1/4

B. 1/16<A<1/4

C. 1/32<A/1/16

D. 1/16<A<1/8

E. 1/4<A< 1/2
Director
Status: Learning stage
Joined: 01 Oct 2017
Posts: 951
WE: Supply Chain Management (Energy and Utilities)
Re: If A = 1/5^2 + 2/5^3 +.... + 11/5^12, which of the following is true  [#permalink]

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09 Jul 2018, 00:53
Hungluu92vn wrote:
If A = 1/5^2 + 2/5^3 + 3/5^4 +....+ 11/5^12

A. 1/8<A<1/4

B. 1/16<A<1/4

C. 1/32<A/1/16

D. 1/16<A<1/8

E. 1/4<A< 1/2

https://gmatclub.com/forum/what-is-the- ... 30505.html
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PKN

Rise above the storm, you will find the sunshine

Re: If A = 1/5^2 + 2/5^3 +.... + 11/5^12, which of the following is true &nbs [#permalink] 09 Jul 2018, 00:53
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# If A = 1/5^2 + 2/5^3 +.... + 11/5^12, which of the following is true

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