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If 5^x+5^x+5^x+5^x+5^x=25^n, x=?
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08 Mar 2021, 07:48
08 Mar 2021, 07:48
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Question Stats:
91% (00:39) correct
8% (00:34) wrong based on 24 sessions
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If \(5^x+5^x+5^x+5^x+5^x=25^n\), x=?
A. n-1
B. n+1
C. 2-n
D. 2n
E. 2n-1
Kudos for the right answer and explanation
Question part of the project GRE Quantitative Reasoning Daily Challenge - (2021) EDITION
GRE - Math Book
A. n-1
B. n+1
C. 2-n
D. 2n
E. 2n-1
Kudos for the right answer and explanation
Question part of the project GRE Quantitative Reasoning Daily Challenge - (2021) EDITION
GRE - Math Book
Re: If 5^x+5^x+5^x+5^x+5^x=25^n, x=?
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08 Mar 2021, 08:02
08 Mar 2021, 08:02
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\(5^x+5^x+5^x+5^x+5^x=25^n\)
\(5 * 5^x = 25^n\)
\(5^{x+1} = 5^{2n}\)
x+1 = 2n
x = 2n-1
Answer E
\(5 * 5^x = 25^n\)
\(5^{x+1} = 5^{2n}\)
x+1 = 2n
x = 2n-1
Answer E
Re: If 5^x+5^x+5^x+5^x+5^x=25^n, x=?
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08 Mar 2021, 09:05
08 Mar 2021, 09:05
Expert Reply
Fixed the OA
Thank you Sir
Thank you Sir
