PS: Trees : PS Archive
Check GMAT Club Decision Tracker for the Latest School Decision Releases http://gmatclub.com/AppTrack

 It is currently 20 Jan 2017, 22:49

### 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

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

# Events & Promotions

###### Events & Promotions in June
Open Detailed Calendar

# PS: Trees

Author Message
Manager
Joined: 20 May 2006
Posts: 96
Followers: 0

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

### Show Tags

02 Oct 2006, 04:53
00:00

Difficulty:

(N/A)

Question Stats:

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

### HideShow timer Statistics

This topic is locked. If you want to discuss this question please re-post it in the respective forum.

When a certain tree was first planted, it was 4 ft tall, and the height of the tree increased by a constant amount each year for 6 years. At the end of the 6th year, the tree was 1/5 taller than it was at the end of the 4th year. By how many feet did the height of the tree increase each year?

A. 3/10
B. 2/5
C. 1/2
D. 2/3
E/ 6/5
VP
Joined: 21 Aug 2006
Posts: 1025
Followers: 1

Kudos [?]: 31 [0], given: 0

### Show Tags

02 Oct 2006, 05:20
govinam wrote:

When a certain tree was first planted, it was 4 ft tall, and the height of the tree increased by a constant amount each year for 6 years. At the end of the 6th year, the tree was 1/5 taller than it was at the end of the 4th year. By how many feet did the height of the tree increase each year?

A. 3/10
B. 2/5
C. 1/2
D. 2/3
E/ 6/5

Took x as constant increase. Afer 6 years, height is 4+6x

After 4 years, height is 4+4x

(4+4x)6/5 = 4+6x

x= 2/3

_________________

The path is long, but self-surrender makes it short;
the way is difficult, but perfect trust makes it easy.

Re: PS: Trees   [#permalink] 02 Oct 2006, 05:20
Display posts from previous: Sort by