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29 Oct 2009, 10:56
00:00

Difficulty:

35% (medium)

Question Stats:

68% (01:52) correct 32% (00:47) wrong based on 72 sessions

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If Johnny wants to buy some candy with nickels ($0.05 coins) and quarters ($0.25 coins) that his mother gave him, how many quarters does he have?

(1) The total value of Johnny's coins is 85 cents.
(2) Johnny has more quarters than nickels in his pocket.

(C) 2008 GMAT Club - m04#22
[Reveal] Spoiler: OA

Last edited by Bunuel on 08 Jan 2013, 10:50, edited 1 time in total.
Renamed the topic and edited the tags.
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29 Oct 2009, 11:09
The question does not provide any information about how much money the kid has. So obviously you need both statements to answer the question. Ans is C.
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29 Oct 2009, 11:48
OMG.......You are absolutely right.....Don't know what am I doing........
hgp2k wrote:
The question does not provide any information about how much money the kid has. So obviously you need both statements to answer the question. Ans is C.
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08 Jan 2013, 07:14
I got this correct by my understanding, but i am not able to understand the explanation.

Thanks & Regards
Vinni
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08 Jan 2013, 07:31
If Johnny wants to buy some candy with nickels ($0.05 coins) and quarters ($0.25 coins) that his mother gave him, how many quarters does he have?

The total value of Johnny's coins is 85 cents.
Johnny has more quarters than nickels in his pocket.
(C) 2008 GMAT Club - m04#22

Statement (1) ALONE is sufficient, but Statement (2) ALONE is not sufficient
Statement (2) ALONE is sufficient, but Statement (1) ALONE is not sufficient
BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient
EACH statement ALONE is sufficient
Statements (1) and (2) TOGETHER are NOT sufficient

[Reveal] Spoiler:
OA C...IMO B

Let T : the total value of Johnny's coin T=85
X : the number of quarter in Johnny's pocket
Y: the number of nickel in Johnny's pocket ;

Hence, (0.25*X) + (0.05*Y) = 85
Since X>Y (Johnny has more quarters than nickels in his pocket)

X and Y can have different values .
For example : x = 339 , y= 5

Or x= 338, y = 10

Or x = 337, y = 15

Thus, the answer should be E.

Plz Correct if i'm wrong ..

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08 Jan 2013, 07:55
1
KUDOS
Rock750 wrote:
If Johnny wants to buy some candy with nickels ($0.05 coins) and quarters ($0.25 coins) that his mother gave him, how many quarters does he have?

The total value of Johnny's coins is 85 cents.
Johnny has more quarters than nickels in his pocket.
(C) 2008 GMAT Club - m04#22

Statement (1) ALONE is sufficient, but Statement (2) ALONE is not sufficient
Statement (2) ALONE is sufficient, but Statement (1) ALONE is not sufficient
BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient
EACH statement ALONE is sufficient
Statements (1) and (2) TOGETHER are NOT sufficient

[Reveal] Spoiler:
OA C...IMO B

Let T : the total value of Johnny's coin T=85
X : the number of quarter in Johnny's pocket
Y: the number of nickel in Johnny's pocket ;

Hence, (0.25*X) + (0.05*Y) = 85
Since X>Y (Johnny has more quarters than nickels in his pocket)

X and Y can have different values .
For example : x = 339 , y= 5

Or x= 338, y = 10

Or x = 337, y = 15

Thus, the answer should be E.

Plz Correct if i'm wrong ..

Hi,

And has to be C

Let there by x no. Of quarter and y nickels.We need to find x

Now st 1 says

x*0.25+y*.05= 85 cents

There are many possible values such as below
x=3 and y=2 or x= 2, y = 7 or x=1 and y=12

There fire not suff

St 2 says x>y

Alone not sufficient

Combining we see that only possible value will be x= 3 and y= 2

Thanks
Mridul
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08 Jan 2013, 08:00
Thanks Mridul.

mridulparashar1 wrote:
Hi,

And has to be C

Let there by x no. Of quarter and y nickels.We need to find x

Now st 1 says

x*0.25+y*.05= 85 cents

There are many possible values such as below
x=3 and y=2 or x= 2, y = 7 or x=1 and y=12

There fire not suff

St 2 says x>y

Alone not sufficient

Combining we see that only possible value will be x= 3 and y= 2

Thanks
Mridul
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08 Jan 2013, 08:02
Rock750 wrote:
If Johnny wants to buy some candy with nickels ($0.05 coins) and quarters ($0.25 coins) that his mother gave him, how many quarters does he have?

The total value of Johnny's coins is 85 cents.
Johnny has more quarters than nickels in his pocket.
(C) 2008 GMAT Club - m04#22

Statement (1) ALONE is sufficient, but Statement (2) ALONE is not sufficient
Statement (2) ALONE is sufficient, but Statement (1) ALONE is not sufficient
BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient
EACH statement ALONE is sufficient
Statements (1) and (2) TOGETHER are NOT sufficient

[Reveal] Spoiler:
OA C...IMO B

Let T : the total value of Johnny's coin T=85
X : the number of quarter in Johnny's pocket
Y: the number of nickel in Johnny's pocket ;

Hence, (0.25*X) + (0.05*Y) = 85
Since X>Y (Johnny has more quarters than nickels in his pocket)

X and Y can have different values .
For example : x = 339 , y= 5

Or x= 338, y = 10

Or x = 337, y = 15

Thus, the answer should be E.

Plz Correct if i'm wrong ..

Hi,

And has to be C

Let there by x no. Of quarter and y nickels.We need to find x

Now st 1 says

x*0.25+y*.05= 85 cents

There are many possible values such as below
x=3 and y=2 or x= 2, y = 7 or x=1 and y=12

There fire not suff

St 2 says x>y

Alone not sufficient

Combining we see that only possible value will be x= 3 and y= 2

Thanks
Mridul
_________________

“If you can't fly then run, if you can't run then walk, if you can't walk then crawl, but whatever you do you have to keep moving forward.”

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Joined: 25 Oct 2012
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Kudos [?]: 256 [0], given: 85

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08 Jan 2013, 08:20
mridulparashar1 wrote:
Rock750 wrote:
If Johnny wants to buy some candy with nickels ($0.05 coins) and quarters ($0.25 coins) that his mother gave him, how many quarters does he have?

The total value of Johnny's coins is 85 cents.
Johnny has more quarters than nickels in his pocket.
(C) 2008 GMAT Club - m04#22

Statement (1) ALONE is sufficient, but Statement (2) ALONE is not sufficient
Statement (2) ALONE is sufficient, but Statement (1) ALONE is not sufficient
BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient
EACH statement ALONE is sufficient
Statements (1) and (2) TOGETHER are NOT sufficient

[Reveal] Spoiler:
OA C...IMO B

Let T : the total value of Johnny's coin T=85
X : the number of quarter in Johnny's pocket
Y: the number of nickel in Johnny's pocket ;

Hence, (0.25*X) + (0.05*Y) = 85
Since X>Y (Johnny has more quarters than nickels in his pocket)

X and Y can have different values .
For example : x = 339 , y= 5

Or x= 338, y = 10

Or x = 337, y = 15

Thus, the answer should be E.

Plz Correct if i'm wrong ..

Hi,

And has to be C

Let there by x no. Of quarter and y nickels.We need to find x

Now st 1 says

x*0.25+y*.05= 85 cents

There are many possible values such as below
x=3 and y=2 or x= 2, y = 7 or x=1 and y=12

There fire not suff

St 2 says x>y

Alone not sufficient

Combining we see that only possible value will be x= 3 and y= 2

Thanks
Mridul

Since 1 quarter = $0.25 = 25 cents and 1 nickel =$0.05 = 5cents ; the correct equation is : 25x + 5y = 85
Now it becomes clear.

thanks Mridul
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08 Jan 2013, 08:37
C

With B only you could have 8 Q's and 7 N's, or 9 Q's and 7 N's...we don't have a total value so impossible to determine.
Re: Gmatclub question   [#permalink] 08 Jan 2013, 08:37
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