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Of the 60 employees of a certain company, twice as many are in the sal

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Ryerson (Ted Rogers) Thread Master
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Of the 60 employees of a certain company, twice as many are in the sal  [#permalink]

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New post 22 Dec 2015, 13:40
1
00:00
A
B
C
D
E

Difficulty:

  15% (low)

Question Stats:

83% (00:44) correct 17% (01:05) wrong based on 46 sessions

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Of the 60 employees of a certain company, twice as many are in the sales department as are in all of the other departments combined. What is the number of employees in the sales department?

(A) 15
(B) 20
(C) 30
(D) 40
(E) 45

Source: Test 55, S3, Q3, P11

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Ryerson (Ted Rogers) Thread Master
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Joined: 27 Sep 2015
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GMAT 1: 410 Q33 V13
WE: Management Consulting (Computer Software)
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Re: Of the 60 employees of a certain company, twice as many are in the sal  [#permalink]

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New post 22 Dec 2015, 13:44
This is ratio problem solving question.
I will prefer to use RMV box.

R M V
Sales 2 20 40
Other 1 20 20
Total 3 20 60

Answer is 40. i.e D
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Re: Of the 60 employees of a certain company, twice as many are in the sal  [#permalink]

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New post 25 Dec 2015, 12:15
Hi All,

This question can be solved by TESTing THE ANSWERS.

We're told that there are 60 total employees and the number in the sales department is TWICE the number of all of the other departments combined. We're asked for the number of employees in the sales department.

Let's TEST Answer B: 20 employees

IF...
Sales = 20
All Others = 10
Total = 20+10 = 30
This is TOO SMALL (it's supposed to be 60 total employees), thus we need a larger number...

Let's TEST Answer D: 40 employees

IF...
Sales = 40
All Others = 20
Total = 40+20 = 60
This is an exact MATCH for what we were told, so this MUST be the answer.

Final Answer:

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Rich
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Re: Of the 60 employees of a certain company, twice as many are in the sal  [#permalink]

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New post 17 Dec 2018, 05:09
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Re: Of the 60 employees of a certain company, twice as many are in the sal   [#permalink] 17 Dec 2018, 05:09
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