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In each quarter of 1998, Company M earned more money than in the previ

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In each quarter of 1998, Company M earned more money than in the previ  [#permalink]

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New post 02 Aug 2018, 04:57
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In each quarter of 1998, Company M earned more money than in the previous quarter. What was the range of Company M's quarterly earnings in 1998?

(1) In the 2nd and 3rd quarters of 1998, Company M earned $4.0 million and $4.6 million, respectively.
(2) In the 1st and 4th quarters of 1998, Company M earned $3.8 million and $4.9 million, respectively.


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(DS02779)

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Re: In each quarter of 1998, Company M earned more money than in the previ  [#permalink]

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New post 02 Aug 2018, 05:10
"In each quarter of 1998, Company M earned more money than in the previous quarter" implies that range will be equal to value of Q4-Q1 earnings.
Stmnt 1 - Q2 & Q3 values were given. So, we cannot find range.
Stmnt 2 - Q1 & Q4 values were provided. So we can find out the range.
Hence option B

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Re: In each quarter of 1998, Company M earned more money than in the previ  [#permalink]

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New post 02 Aug 2018, 05:23
Since quarterly earnings are in increasing order, difference of 1st and 4th quarter earnings is what we are looking for

(1) In the 2nd and 3rd quarters of 1998, Company M earned $4.0 million and $4.6 million, respectively.
No information about 1st and 4th quarter earnings
Insufficient

(2) In the 1st and 4th quarters of 1998, Company M earned $3.8 million and $4.9 million, respectively.
This is exactly what we are looking for
Sufficient

Hence, B.
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Re: In each quarter of 1998, Company M earned more money than in the previ  [#permalink]

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New post 02 Aug 2018, 21:23
Bunuel wrote:
In each quarter of 1998, Company M earned more money than in the previous quarter. What was the range of Company M's quarterly earnings in 1998?

(1) In the 2nd and 3rd quarters of 1998, Company M earned $4.0 million and $4.6 million, respectively.
(2) In the 1st and 4th quarters of 1998, Company M earned $3.8 million and $4.9 million, respectively.


NEW question from GMAT® Quantitative Review 2019


(DS02779)


We know range of a set= Highest value-Lowest value
Here the set={\({Q_1,Q_2,Q_3,Q_4}\)}, so range=Q_4-Q_1 (where \(Q_1<Q_2<Q_3<Q_4\) is given.)------------(1)

St1:- \(Q_2<Q_3\)
But we need \(Q_1\) and \(Q_4\) in order to determine range.
Not sufficient to determine range.

St2:- Exactly the value of \(Q_1\) and \(Q_4\) is provided.
We can definitely determine range by substituting the values in (1).
Sufficient.

Ans. (B)
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Re: In each quarter of 1998, Company M earned more money than in the previ  [#permalink]

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New post 05 Oct 2018, 07:50
Bunuel wrote:
In each quarter of 1998, Company M earned more money than in the previous quarter. What was the range of Company M's quarterly earnings in 1998?

(1) In the 2nd and 3rd quarters of 1998, Company M earned $4.0 million and $4.6 million, respectively.
(2) In the 1st and 4th quarters of 1998, Company M earned $3.8 million and $4.9 million, respectively.


NEW question from GMAT® Quantitative Review 2019


(DS02779)


Since we are asked to find out the range of the earnings question is asking diff of 4th and 1st quarter earnings
St1: provide 2nd and 3rd qtr earnings hence NS
St2: provide 1st and 4th qtr earning hence SUFFICIENT.

Ans choice B
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Re: In each quarter of 1998, Company M earned more money than in the previ &nbs [#permalink] 05 Oct 2018, 07:50
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