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What were the gross revenues from ticket sales for a certain

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What were the gross revenues from ticket sales for a certain  [#permalink]

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New post 31 Dec 2013, 07:18
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What were the gross revenues from ticket sales for a certain film during the second week in which it was shown?


(1) Gross revenues during the second week were $1.5 million less than during the first week.
(2) Gross revenues during the third week were $2.0 million less than during the first week.

Data Sufficiency
Question: 12
Category: Arithmetic Arithmetic operations
Page: 153
Difficulty: 650


The Official Guide For GMAT® Quantitative Review, 2ND Edition

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Re: What were the gross revenues from ticket sales for a certain  [#permalink]

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New post 31 Dec 2013, 07:18
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SOLUTION

What were the gross revenues from ticket sales for a certain film during the second week in which it was shown?

(1) Gross revenues during the second week were $1.5 million less than during the first week --> {first} = {second} - $1.5 million. Not sufficient.

(2) Gross revenues during the third week were $2.0 million less than during the first week --> {first} = {third} - $2 million. Not sufficient.

(1)+(2) We cannot solve the two equations we have. Not sufficient.

Answer: E.
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Re: What were the gross revenues from ticket sales for a certain  [#permalink]

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New post 01 Jan 2014, 10:53
Bunuel wrote:
The Official Guide For GMAT® Quantitative Review, 2ND Edition

What were the gross revenues from ticket sales for a certain film during the second week in which it was shown?

(1) Gross revenues during the second week were $1.5 million less than during the first week.
(2) Gross revenues during the third week were $2.0 million less than during the first week.

Data Sufficiency
Question: 12
Category: Arithmetic Arithmetic operations
Page: 153
Difficulty: 650


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Always confuse with the questions of Bunuel, because i am always asking myself "there is a trap there is a trap..."!

Well in this one there is a nice trap which is the first answer choice.

(1) Gross revenues during the second week were $1.5 million less than during the first week - With this one, we still do not know the first week revenues (could be 1.6 million or 1597 billion)

Equation: X * $1.5 million (X= first week revenues)

(2) Gross revenues during the third week were $2.0 million less than during the first week. - Same as for statement one. We do not know the gross revenues of the first week...

Equation: X * $2.0 million (X= first week revenues)

Therefore the answer is E.
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Re: What were the gross revenues from ticket sales for a certain  [#permalink]

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New post 02 Jan 2014, 00:37
What were the gross revenues from ticket sales for a certain film during the second week in which it was shown?

(1) Gross revenues during the second week were $1.5 million less than during the first week.
(2) Gross revenues during the third week were $2.0 million less than during the first week.

Sol:
Let the revenue during the 2nd week in which it was shown be X. We need to find X


From St 1 we have the Revenue in the first week was which X+1.5
Not sufficient
From St 2 we have the revenue in 3rd week was 2M US$ less. Not sufficient.
We don't know what was the revenue in first week.

Combining we get that
Revenue in 1st week: x +1.5
Revenue in 2nd week: x
and Revenue in 3rd week: x +1.5- 2-----> x- 0.5

Clearly we cannot get the value of x.

Ans E
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Re: What were the gross revenues from ticket sales for a certain  [#permalink]

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New post 02 Jan 2014, 01:21
Ans is (E) since both statements mention revenue of first week, which we do not know.
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Re: What were the gross revenues from ticket sales for a certain  [#permalink]

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New post 10 Jan 2014, 11:24
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Bunuel wrote:
The Official Guide For GMAT® Quantitative Review, 2ND Edition

What were the gross revenues from ticket sales for a certain film during the second week in which it was shown?

(1) Gross revenues during the second week were $1.5 million less than during the first week.
(2) Gross revenues during the third week were $2.0 million less than during the first week.



Basically they want to know what x2*y2 = TR2, where all 2's denote "second week", x denotes tickets sold and y denots price per ticket.

1) uses different variables (x1, y1 and TR1), and only gives us a relation between TR1 and TR2.. Clearly insufficient
2) uses different variables (x3, y3 and TR3), and only gives us a relation between TR1 and TR3, clearly insufficient.

1 + 2, we know absolutely nothing about x2 or y2, we're only given some weak relationships among the revenues for three consecutive weeks.

So the answer is E
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Re: What were the gross revenues from ticket sales for a certain  [#permalink]

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New post 11 Sep 2015, 02:32
Gross revenues during the 1st week ---X

statement 1 :Gross revenues during the 2nd week--------X-1.5
statement 1 :Gross revenues during the 3rd week--------X-2
nothing about X


so 1+2 is conclusive

hence E
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Re: What were the gross revenues from ticket sales for a certain  [#permalink]

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New post 07 Jan 2017, 03:57
let r1, r2, r3 be gross rev for 1st, 2nd, 3rd week respectively
ques -- r3?

1) r2=r1-1.5.. not suff
2) r3=r2-2.. not suff

1)+2) not suff as we dont know r1

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Re: What were the gross revenues from ticket sales for a certain  [#permalink]

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Re: What were the gross revenues from ticket sales for a certain   [#permalink] 25 Sep 2018, 12:15
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