GMAT Question of the Day - Daily to your Mailbox; hard ones only

 It is currently 22 Apr 2019, 01:26

### 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

# If the ratio of AB to DC is 3:1 and the ratio of AD to DC is 5:4

 new topic post reply Question banks Downloads My Bookmarks Reviews Important topics
Author Message
TAGS:

### Hide Tags

Manager
Status: Gathering chakra
Joined: 05 Feb 2018
Posts: 188
If the ratio of AB to DC is 3:1 and the ratio of AD to DC is 5:4  [#permalink]

### Show Tags

25 Mar 2019, 06:49
00:00

Difficulty:

45% (medium)

Question Stats:

60% (02:16) correct 40% (02:10) wrong based on 15 sessions

### HideShow timer Statistics

If the ratio of AB to DC is 3:1 and the ratio of AD to DC is 5:4 then the perimeter of the shaded region is

A) 18
B) 24
C) 30
D) 32
E) 36

Attachment:

AQyWxBA.png [ 25.13 KiB | Viewed 203 times ]
Director
Joined: 18 Jul 2018
Posts: 827
Location: India
Concentration: Finance, Marketing
WE: Engineering (Energy and Utilities)
Re: If the ratio of AB to DC is 3:1 and the ratio of AD to DC is 5:4  [#permalink]

### Show Tags

25 Mar 2019, 09:32
AB:DC = 3:1
AB = 12. Then DC = 4
Also, AD:DC = 5:4. AD = 5
AC = 5+4 = 9
Hypotenuse, BD = $$\sqrt{144+25}$$ = 13
Hypotenuse, BC = $$\sqrt{81+144}$$ = 15
Perimeter of BDC = 15+4+13 = 32

D is the answer.
_________________
Press +1 Kudo If my post helps!
Re: If the ratio of AB to DC is 3:1 and the ratio of AD to DC is 5:4   [#permalink] 25 Mar 2019, 09:32
Display posts from previous: Sort by

# If the ratio of AB to DC is 3:1 and the ratio of AD to DC is 5:4

 new topic post reply Question banks Downloads My Bookmarks Reviews Important topics

 Powered by phpBB © phpBB Group | Emoji artwork provided by EmojiOne Kindly note that the GMAT® test is a registered trademark of the Graduate Management Admission Council®, and this site has neither been reviewed nor endorsed by GMAC®.