In June 1989, what was the ratio of the number of sales : GMAT Data Sufficiency (DS)
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# In June 1989, what was the ratio of the number of sales

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In June 1989, what was the ratio of the number of sales [#permalink]

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17 Aug 2007, 12:13
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In June 1989, what was the ratio of the number of sales transactions made by Salesperson X to the number of sales transactions made by Salesperson Y ?

(1) In June 1989, Salesperson X made 50 percent more sales transactions than Salesperson Y did in May 1989.
(2) In June 1989, Salesperson Y made 25 percent more sales transactions than in May 1989.
[Reveal] Spoiler: OA
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17 Aug 2007, 12:26
Quote:
In June 1989, what was the ratio of the number of sales transactions made by Salesperson
X to the number of sales transactions made by Salesperson Y?
(1) In June 1989, Salesperson X made 50 percent more sales transactions than
Salesperson Y did in May 1989.
(2) In June 1989, Salesperson Y made 25 percent more sales transactions than in
May 1989.

E.

(1) compares transactions in June to transactions is May; insufficient;
(2) compares transactions in June to transactions in May; insufficient;

Neither (even if together) give us any ratios for sales transactions made by X to Y in the month of June.
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17 Aug 2007, 12:42
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smily_buddy wrote:
In June 1989, what was the ratio of the number of sales transactions made by Salesperson
X to the number of sales transactions made by Salesperson Y?
(1) In June 1989, Salesperson X made 50 percent more sales transactions than
Salesperson Y did in May 1989.
(2) In June 1989, Salesperson Y made 25 percent more sales transactions than in
May 1989.
A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is
sufficient.
D. EACH statement ALONE is sufficient.
E. Statements (1) and (2) TOGETHER are NOT sufficient.

C.
Xj = June Sales for X
Yj = June Sales for Y
Xm = May Sales for X
Ym = May Sales for Y
Looking for Xj / Yj

(1) Xj = 1.5*Ym
INSUFFICIENT

(2) Yj = 1.25 Ym
INSUFFICIENT

Together,
Xj / Yj = 1.5 / 1.25
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Re: GMAT SET 16 - 6 [#permalink]

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01 Oct 2008, 11:14
nikhilpoddar wrote:
In June 1989, what was the ratio of the number of sales transactions made by Salesperson
X to the number of sales transactions made by Salesperson Y?
(1) In June 1989, Salesperson X made 50 percent more sales transactions than
Salesperson Y did in May 1989.
(2) In June 1989, Salesperson Y made 25 percent more sales transactions than in
May

to calculate: x/y

1) given: x= 1.5y... coz x = y + (50% of y)
x/y = 1.5y/y = 3/2 Hence, sufficient.

2) insufficient. No info abt sales of X in June.

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Re: GMAT SET 16 - 6 [#permalink]

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01 Oct 2008, 11:18
jatinrai wrote:
nikhilpoddar wrote:
In June 1989, what was the ratio of the number of sales transactions made by Salesperson
X to the number of sales transactions made by Salesperson Y?
(1) In June 1989, Salesperson X made 50 percent more sales transactions than
Salesperson Y did in May 1989.
(2) In June 1989, Salesperson Y made 25 percent more sales transactions than in
May

to calculate: x/y

1) given: x= 1.5y... coz x = y + (50% of y)
x/y = 1.5y/y = 3/2 Hence, sufficient.

2) insufficient. No info abt sales of X in June.

If you look at stmt1, it gives info of two different months - of June for X and of May for Y.

That is why A cannot be sufficient and C should be the answer.
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Re: GMAT SET 16 - 6 [#permalink]

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01 Oct 2008, 11:30
scthakur wrote:
jatinrai wrote:
nikhilpoddar wrote:
In June 1989, what was the ratio of the number of sales transactions made by Salesperson
X to the number of sales transactions made by Salesperson Y?
(1) In June 1989, Salesperson X made 50 percent more sales transactions than
Salesperson Y did in May 1989.
(2) In June 1989, Salesperson Y made 25 percent more sales transactions than in
May

to calculate: x/y

1) given: x= 1.5y... coz x = y + (50% of y)
x/y = 1.5y/y = 3/2 Hence, sufficient.

2) insufficient. No info abt sales of X in June.

If you look at stmt1, it gives info of two different months - of June for X and of May for Y.

That is why A cannot be sufficient and C should be the answer.

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In June 1989, what was the ratio of the number of sales [#permalink]

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03 Aug 2010, 06:42
In June 1989, what was the ratio of the number of
sales transactions made by Salesperson X to the
number of sales transactions made by Salesperson Y ?
(1) In June 1989, Salesperson X made 50 percent
more sales transactions than Salesperson Y did
in May 1989.
(2) In June 1989, Salesperson Y made 25 percent
more sales transactions than in May 1989.

[Reveal] Spoiler:
OA is C but, isnt A sufficient to answer?
we need to find x/y.
given x=y+0.5y ->1.5y
thus we have a ratio here.

where am i going wrong?
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03 Aug 2010, 08:07
Its taken from OG 12

ques:48 DS section - OG12
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03 Aug 2010, 08:58
ramana wrote:
In June 1989, what was the ratio of the number of
sales transactions made by Salesperson X to the
number of sales transactions made by Salesperson Y ?
(1) In June 1989, Salesperson X made 50 percent
more sales transactions than Salesperson Y did
in May 1989.
(2) In June 1989, Salesperson Y made 25 percent
more sales transactions than in May 1989.

OA is C but, isnt A sufficient to answer?
we need to find x/y.
given x=y+0.5y ->1.5y
thus we have a ratio here.

where am i going wrong?

Statement 1 is not sufficient - it gives the ratio of X's sales in June to Y's sales in May. The question asks you to find the ratio of X's sales in June to Y's sales in June.

If we let m represent Y's sales in May, then from Statement 1, X made 1.5m sales in June, and from Statement 2 Y made 1.25m sales in June, so the requested ratio is 1.5 to 1.25, and the answer is C.
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03 Aug 2010, 09:27
IanStewart wrote:
ramana wrote:
In June 1989, what was the ratio of the number of
sales transactions made by Salesperson X to the
number of sales transactions made by Salesperson Y ?
(1) In June 1989, Salesperson X made 50 percent
more sales transactions than Salesperson Y did
in May 1989.
(2) In June 1989, Salesperson Y made 25 percent
more sales transactions than in May 1989.

OA is C but, isnt A sufficient to answer?
we need to find x/y.
given x=y+0.5y ->1.5y
thus we have a ratio here.

where am i going wrong?

Statement 1 is not sufficient - it gives the ratio of X's sales in June to Y's sales in May. The question asks you to find the ratio of X's sales in June to Y's sales in June.

If we let m represent Y's sales in May, then from Statement 1, X made 1.5m sales in June, and from Statement 2 Y made 1.25m sales in June, so the requested ratio is 1.5 to 1.25, and the answer is C.

Damn! my bad!! dint even notice that!! thanks Ian.
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Re: In June 1989, what was the ratio of the number of sales [#permalink]

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07 May 2013, 10:38
Goal is to find X/Y or X:Y

Translate the question stem.

X= # of sales by Salesperson X
Y= # of sales by Salesperson Y

for s. Plug in X = 1.50/Y (y is unknown) NOT SUFF

for s.1: plug in Y= 1.25X (x is unknown) NOT SUFF

Combined: Substitute Y for X on the first equation. SUFF. (similar to age questions)
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Re: In June 1989, what was the ratio of the number of sales [#permalink]

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14 May 2013, 13:53
C means that both A and B are not sufficient to answer the question right? And this is just because no information was given about what they did in June right?
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Re: In June 1989, what was the ratio of the number of sales [#permalink]

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14 May 2013, 14:01
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C means that both A and B are not sufficient to answer the question right? And this is just because no information was given about what they did in June right?

Hi madzstar, this is what A B... mean

A Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient to answer the question asked.
B Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient to answer the question asked.
C BOTH statements (1) and (2) TOGETHER are sufficient to answer the question asked, but NEITHER statement ALONE is sufficient to answer the question asked.
E Statements (1) and (2) TOGETHER are NOT sufficient to answer the question asked, and additional data specific to the problem are needed.

In June 1989, what was the ratio of the number of sales transactions made by Salesperson X to the number of sales transactions made by Salesperson Y ?

(1) In June 1989, Salesperson X made 50 percent more sales transactions than Salesperson Y did in May 1989.
(2) In June 1989, Salesperson Y made 25 percent more sales transactions than in May 1989.

The question asks $$\frac{juX}{juY}=?$$

1)$$juX=1.5mayY$$
2)$$juY=1.25mayY$$

Taken by itself each statement is not sufficient.
Taken together $$\frac{juX}{juY}=\frac{1.5mayY}{1.25mayY}=\frac{1.5}{1.25}$$
Sufficient => C
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Re: In June 1989, what was the ratio of the number of sales [#permalink]

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14 May 2013, 14:48
ok. Thanks so much for that explanation
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Re: In June 1989, what was the ratio of the number of sales [#permalink]

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15 May 2013, 02:48
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Expert's post
C means that both A and B are not sufficient to answer the question right? And this is just because no information was given about what they did in June right?

Merging similar topics.

The data sufficiency problem consists of a question and two statements, labeled (1) and (2), in which certain data are given. You have to decide whether the data given in the statements are sufficient for answering the question. Using the data given in the statements, plus your knowledge of mathematics and everyday facts (such as the number of days in July or the meaning of the word counterclockwise), you must indicate whether—

A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient to answer the question asked.
B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient to answer the question asked.
C. BOTH statements (1) and (2) TOGETHER are sufficient to answer the question asked, but NEITHER statement ALONE is sufficient to answer the question asked.
E. Statements (1) and (2) TOGETHER are NOT sufficient to answer the question asked, and additional data specific to the problem are needed.

Solution for this problem is here: in-june-1989-what-was-the-ratio-of-the-number-of-sales-50701.html#p758992

Hope it's clear.
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