It is currently 12 Nov 2018, 17:05
My Tests

Close

GMAT Club Daily Prep

Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track
Your Progress

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.

Energy use by year

  Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:
Moderator
Moderator
User avatar
Joined: 18 Apr 2015
Posts: 4864
Followers: 74

Kudos [?]: 965 [0], given: 4466

CAT Tests
Energy use by year [#permalink] New post 08 Oct 2017, 01:28
Expert's post
00:00

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions


Attachment:
graph1.jpg
graph1.jpg [ 41.68 KiB | Viewed 946 times ]
Attachment:
graph2.jpg
graph2.jpg [ 35.81 KiB | Viewed 916 times ]
1) In 1995, how many of the categories shown had energy use greater than 150 million kilowatt-hours?

A. None
B. One
C. Two
D. Three
E. Four

[Reveal] Spoiler: OA
C


2) If the population of Country Y increased by 20 percent from 1990 to 1995, approximately what was the percent decrease in the per capita personal use of energy between those two years?

A. 0%
B. 17%
C. 25%
D. 35%
E. 50%

[Reveal] Spoiler: OA
D


3) Which of the following can be inferred from the graphs?

Choose \(all\) that apply.

❑ Farm use of energy increased between 1990 and 2010.

❑ In 2010, industrial use of energy was greater than industrial use of energy in 1995.

❑ The percentage of energy use by government in 2010 was at least three times the percentage of energy use by government in 1990.

❑ More kilowatt-hours of energy were used for farm purposes in 2005 than in 2000.

❑ The energy usage by type was most equally distributed over the four categories in 1990.

[Reveal] Spoiler: OA
A,D

[Reveal] Spoiler: OA

_________________

Get the 2 FREE GREPrepclub Tests

Intern
Intern
Joined: 12 Oct 2017
Posts: 23
Followers: 0

Kudos [?]: 12 [0], given: 3

Re: Energy use by year [#permalink] New post 13 Oct 2017, 20:47
answer 1 - Industrial and government

2 category
Intern
Intern
Joined: 12 Oct 2017
Posts: 23
Followers: 0

Kudos [?]: 12 [0], given: 3

Re: Energy use by year [#permalink] New post 13 Oct 2017, 20:55
let the population in 1990 = 100, 1995 = 1.2*100 = 120

personal use 1990 = 160, Per capita use = 1.6
Personal use 1995 = 120, Per capita use = 1

change = (1.6-1)/1.6 = .37 ~ 37%
Re: Energy use by year   [#permalink] 13 Oct 2017, 20:55
Display posts from previous: Sort by

Energy use by year

  Question banks Downloads My Bookmarks Reviews Important topics  


GRE Prep Club Forum Home| About| Terms and Conditions and Privacy Policy| GRE Prep Club Rules| Contact

Powered by phpBB © phpBB Group

Kindly note that the GRE® test is a registered trademark of the Educational Testing Service®, and this site has neither been reviewed nor endorsed by ETS®.