number system : GMAT Problem Solving (PS)
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# number system

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Manager
Joined: 13 Dec 2009
Posts: 129
Followers: 6

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18 Apr 2010, 23:42
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Question Stats:

100% (01:20) correct 0% (00:00) wrong based on 12 sessions

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The difference between two numbers is 28. If the greater is divided by the smaller, the quotient is 3 and the remainder is 4. The numbers are
A. 12, 40
B. 14, 42
C. 16, 54
D. 8, 36
E. 12,50
OA after some discussion, please explain.
Source: gmat practice set
Senior Manager
Joined: 24 Jul 2009
Posts: 297
Followers: 3

Kudos [?]: 135 [0], given: 0

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19 Apr 2010, 00:04
einstein10 wrote:
The difference between two numbers is 28. If the greater is divided by the smaller, the quotient is 3 and the remainder is 4. The numbers are
A. 12, 40
B. 14, 42
C. 16, 54
D. 8, 36
E. 12,50
OA after some discussion, please explain.
Source: gmat practice set

I think..simply putting the values is the best way to solve this question..
It took me only 10 secs..

40-12= 28.
40/12 = 12 * 3 + 4.

Manager
Joined: 13 Dec 2009
Posts: 129
Followers: 6

Kudos [?]: 284 [0], given: 10

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19 Apr 2010, 00:21
nverma wrote:
einstein10 wrote:
The difference between two numbers is 28. If the greater is divided by the smaller, the quotient is 3 and the remainder is 4. The numbers are
A. 12, 40
B. 14, 42
C. 16, 54
D. 8, 36
E. 12,50
OA after some discussion, please explain.
Source: gmat practice set

I think..simply putting the values is the best way to solve this question..
It took me only 10 secs..

40-12= 28.
40/12 = 12 * 3 + 4.

you are right instead solving we need to see if solving with options is better idea. here otherwise if go through variable and equation formation, it takes more than 2mins.. thanks
Manager
Joined: 13 Dec 2009
Posts: 129
Followers: 6

Kudos [?]: 284 [0], given: 10

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19 Apr 2010, 00:24
sorry guys, I dint realize it's not problem solving section, and i kept problem solving in this section.
Re: number system   [#permalink] 19 Apr 2010, 00:24
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