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Director
Joined: 16 May 2014
Posts: 590
Given Kudos: 0
GRE 1: Q165 V161
DI Set #5-number of televisions to the number
[#permalink]
24 Dec 2014, 05:55
24 Dec 2014, 05:55
Expert Reply
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Question Stats:
90% (02:29) correct
9% (00:00) wrong based on 11 sessions
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In 1955, the ratio of the number of televisions to the number of people was approximately
A. 1 to 13
B. 1 to 23
C. 1 to 26
D. 1 to 50
E. 1 to 90
From 1940 to 1955, the percent increase in the number of televisions was closest to
A. 30
B. 130
C. 350
D. 450
E. 600
What was the approximate population of Town X in 1945?
A. 150
B. 750
C. 1500
D. 3000
E. 4500
Show: :: Answer
A,C,B
Retired Moderator
Joined: 10 Apr 2015
Posts: 6218
Given Kudos: 136
Re: DI Set #5-number of televisions to the number
[#permalink]
Updated on: 21 Apr 2015, 17:30
Updated on: 21 Apr 2015, 17:30
2
soumya1989 wrote:
In 1955, the ratio of the number of televisions to the number of people was approximately
A. 1 to 13
B. 1 to 23
C. 1 to 26
D. 1 to 50
E. 1 to 90
From 1940 to 1955, the percent increase in the number of televisions was closest to
A. 30
B. 130
C. 350
D. 450
E. 600
What was the approximate population of Town X in 1945?
A. 150
B. 750
C. 1500
D. 3000
E. 4500
Show: :: Answer
A,C,B
In 1955, the ratio of the number of televisions to the number of people was approximately
A. 1 to 13
B. 1 to 23
C. 1 to 26
D. 1 to 50
E. 1 to 90
If we examine what's happening in 1955 with regard to population per television...
...we see that there are approximately 13 people per 1 TV.
So, the ratio is 1 to 13
Answer:
Show: ::
A
Cheers,
Brent
Attachments
tvs1.png [ 15.49 KiB | Viewed 16814 times ]
Originally posted by GreenlightTestPrep on 21 Apr 2015, 17:19.
Last edited by GreenlightTestPrep on 21 Apr 2015, 17:30, edited 1 time in total.
Last edited by GreenlightTestPrep on 21 Apr 2015, 17:30, edited 1 time in total.
Retired Moderator
Joined: 10 Apr 2015
Posts: 6218
Given Kudos: 136
Re: DI Set #5-number of televisions to the number
[#permalink]
Updated on: 21 Apr 2015, 17:31
Updated on: 21 Apr 2015, 17:31
1
soumya1989 wrote:
From 1940 to 1955, the percent increase in the number of televisions was closest to
A. 30
B. 130
C. 350
D. 450
E. 600
A. 30
B. 130
C. 350
D. 450
E. 600
Let's check the number of televisions line for each year....
In 1940, there were about 20 televisions, and in 1955, there were about 90 televisions.
Percent increase = 100(new - old)/old
= 100(90 - 20)/20
= 100(70)/20
= 100(3.5)
= 350
=
Show: ::
C
Cheers,
Brent
Attachments
tvs2.png [ 15.72 KiB | Viewed 16764 times ]
Originally posted by GreenlightTestPrep on 21 Apr 2015, 17:25.
Last edited by GreenlightTestPrep on 21 Apr 2015, 17:31, edited 1 time in total.
Last edited by GreenlightTestPrep on 21 Apr 2015, 17:31, edited 1 time in total.
