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Debts

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Debts [#permalink]

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New post 09 Oct 2009, 12:34
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I know these questions are kind of easy but I have always difficultieswhen they appear any method or explanation that you guys give will be appreciated thanks a lot

Anne owes Bob $4, Bob owes Carol $3, and Carol owes Anne $5. If Carol settles all the debts by giving money to both Anne and Bob How much will she give Anne?

A) $1
B) $2
C) $3
D) $4
E) $5
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Re: Debts [#permalink]

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New post 09 Oct 2009, 13:01
TheRob wrote:
I know these questions are kind of easy but I have always difficultieswhen they appear any method or explanation that you guys give will be appreciated thanks a lot

Anne owes Bob $4, Bob owes Carol $3, and Carol owes Anne $5. If Carol settles all the debts by giving money to both Anne and Bob How much will she give Anne?

A) $1
B) $2
C) $3
D) $4
E) $5


Anne owes someone 4$ and another person owes her 5$ (so her balance is +1). If all debts are settled not by Anne (as stated), Anne should gain 1$. Answer 1.
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Re: Debts [#permalink]

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New post 10 Oct 2009, 06:33
Bunuel wrote:
TheRob wrote:
I know these questions are kind of easy but I have always difficultieswhen they appear any method or explanation that you guys give will be appreciated thanks a lot

Anne owes Bob $4, Bob owes Carol $3, and Carol owes Anne $5. If Carol settles all the debts by giving money to both Anne and Bob How much will she give Anne?

A) $1
B) $2
C) $3
D) $4
E) $5


Anne owes someone 4$ and another person owes her 5$ (so her balance is +1). If all debts are settled not by Anne (as stated), Anne should gain 1$. Answer 1.


The question asks for the amount Carol has to give to Anne. The answer should thus be $2.
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Re: Debts [#permalink]

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New post 10 Oct 2009, 08:07
rvthryet wrote:
Bunuel wrote:
TheRob wrote:
I know these questions are kind of easy but I have always difficultieswhen they appear any method or explanation that you guys give will be appreciated thanks a lot

Anne owes Bob $4, Bob owes Carol $3, and Carol owes Anne $5. If Carol settles all the debts by giving money to both Anne and Bob How much will she give Anne?

A) $1
B) $2
C) $3
D) $4
E) $5


Anne owes someone 4$ and another person owes her 5$ (so her balance is +1). If all debts are settled not by Anne (as stated), Anne should gain 1$. Answer 1.


The question asks for the amount Carol has to give to Anne. The answer should thus be $2.


I still believe answer is A (1$), though we don't have OA yet.

Let's go step by step.

We are told that: "Carol settles all the debts by giving money to both Anne and Bob" --> which means that by this one only action (giving money to both Anne and Bob) Carol settles ALL debts. How this can happen?

The balances of each:

Anne: +1(5-4)
Bob: +1 (4-3)
Carol: -2 (3-5)

So if carol wants to settle all the debts she must give 1$ to Anne and 1$ to Bob. After this operation by Carol all the debts would be settled. So carol should give Anne 1$.

Answer: A.
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New to the Math Forum?
Please read this: All You Need for Quant | PLEASE READ AND FOLLOW: 12 Rules for Posting!!!

Resources:
GMAT Math Book | Triangles | Polygons | Coordinate Geometry | Factorials | Circles | Number Theory | Remainders; 8. Overlapping Sets | PDF of Math Book; 10. Remainders | GMAT Prep Software Analysis | SEVEN SAMURAI OF 2012 (BEST DISCUSSIONS) | Tricky questions from previous years.

Collection of Questions:
PS: 1. Tough and Tricky questions; 2. Hard questions; 3. Hard questions part 2; 4. Standard deviation; 5. Tough Problem Solving Questions With Solutions; 6. Probability and Combinations Questions With Solutions; 7 Tough and tricky exponents and roots questions; 8 12 Easy Pieces (or not?); 9 Bakers' Dozen; 10 Algebra set. ,11 Mixed Questions, 12 Fresh Meat

DS: 1. DS tough questions; 2. DS tough questions part 2; 3. DS tough questions part 3; 4. DS Standard deviation; 5. Inequalities; 6. 700+ GMAT Data Sufficiency Questions With Explanations; 7 Tough and tricky exponents and roots questions; 8 The Discreet Charm of the DS; 9 Devil's Dozen!!!; 10 Number Properties set., 11 New DS set.


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Re: Debts [#permalink]

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New post 10 Oct 2009, 19:11
Oh Yes! I made Carol give $2 to Anne and Anne in turn gave $1 to Bob. I think you are right.. But can we have the OA!!
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Re: Debts [#permalink]

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New post 11 Oct 2009, 07:11
I will go with option A
Re: Debts   [#permalink] 11 Oct 2009, 07:11
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