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# M13-15

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Math Expert
Joined: 02 Sep 2009
Posts: 44639

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16 Sep 2014, 00:49
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Difficulty:

25% (medium)

Question Stats:

70% (00:41) correct 30% (00:55) wrong based on 71 sessions

Money is paid into an account in portions of $500 and paid out in portions of$300. If after a month the account grew by $1,200, what is the least possible number of transactions that could have been made? A. 3 B. 4 C. 5 D. 6 E. 7 [Reveal] Spoiler: OA _________________ Math Expert Joined: 02 Sep 2009 Posts: 44639 Re M13-15 [#permalink] ### Show Tags 16 Sep 2014, 00:49 Official Solution: Money is paid into an account in portions of$500 and paid out in portions of $300. If after a month the account grew by$1,200, what is the least possible number of transactions that could have been made?

A. 3
B. 4
C. 5
D. 6
E. 7

The least number of transactions is 4: $$500 + 500 + 500 - 300 = 1,200$$.

_________________
Intern
Joined: 19 May 2016
Posts: 29
Location: United States
Concentration: Strategy, Human Resources
GMAT 1: 710 Q46 V41
GMAT 2: 730 Q49 V41
GMAT 3: 680 Q46 V37
WE: Operations (Manufacturing)

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07 Oct 2016, 08:39
Bunuel wrote:
Official Solution:

Money is paid into an account in portions of $500 and paid out in portions of$300. If after a month the account grew by \$1,200, what is the least possible number of transactions that could have been made?

A. 3
B. 4
C. 5
D. 6
E. 7

The least number of transactions is 4: $$500 + 500 + 500 - 300 = 1,200$$.

Hi Banuel,

Would you say this is a typical GMAT question? It seems a little bit too straightforward/easy.

Thanks.
Intern
Status: in process
Joined: 18 Jun 2017
Posts: 30
Location: Uzbekistan
Schools: Babson '21
GMAT 1: 690 Q47 V37
GPA: 4
WE: Education (Education)

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03 Jan 2018, 12:59
I assumed that they withdraw money with the same frequency as they deposit it.
Re: M13-15   [#permalink] 03 Jan 2018, 12:59
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# M13-15

Moderators: chetan2u, Bunuel

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