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29^2 + 29

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29^2 + 29  [#permalink]

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New post 03 Jul 2017, 11:34
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A
B
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D
E

Difficulty:

  5% (low)

Question Stats:

90% (00:21) correct 10% (00:56) wrong based on 133 sessions

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Director
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Re: 29^2 + 29  [#permalink]

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New post 03 Jul 2017, 11:37
1
carcass wrote:
\(\frac{29^2 + 29}{29}\)

A) 870

B) 841

C) 58

D) 31

E) 30


\(\frac{29^2 + 29}{29}\)

\(\frac{29(29 + 1)}{29}\)

\(\frac{29 * 30}{29}\) \(= 30\)

Answer (E)...
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Re: 29^2 + 29  [#permalink]

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New post 03 Jul 2017, 11:39
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1
carcass wrote:
\(\frac{29^2 + 29}{29}\)

A) 870

B) 841

C) 58

D) 31

E) 30


\(\frac{29^2 + 29}{29} = \frac{29(29 + 1)}{29} = (29 + 1) = 30\)

Answer:

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Re: 29^2 + 29  [#permalink]

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New post 03 Jul 2017, 14:16
carcass wrote:
\(\frac{29^2 + 29}{29}\)

A) 870

B) 841

C) 58

D) 31

E) 30


\(\frac{29^2 + 29}{29}\)

\(= \frac{29 (29 + 1)}{29}\)

\(= 29 + 1\)

\(= 30\)

Hence, Answer is E
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29^2 + 29  [#permalink]

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New post 03 Jul 2017, 15:23
carcass wrote:
\(\frac{29^2 + 29}{29}\)

A) 870

B) 841

C) 58

D) 31

E) 30

Another way: split the numerator.

\(\frac{29^2 + 29}{29}\) =

\(\frac{29^2}{29}\) + \(\frac{29}{29}\)

\((29^{2-1} + 1)\) = \((29^1 + 1)\) = \(30\)

Answer E
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Re: 29^2 + 29  [#permalink]

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New post 09 Feb 2019, 13:54
Hello from the GMAT Club BumpBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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Re: 29^2 + 29   [#permalink] 09 Feb 2019, 13:54
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