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

It is currently 25 Aug 2019, 15:27

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.

Close

Request Expert Reply

Confirm Cancel

Angles AMB and CMD are right angles, ∠AMD is acute, and ∠BMC=y° is acu

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

Hide Tags

Find Similar Topics 
Math Expert
User avatar
V
Joined: 02 Sep 2009
Posts: 57290
Angles AMB and CMD are right angles, ∠AMD is acute, and ∠BMC=y° is acu  [#permalink]

Show Tags

New post 19 Oct 2016, 09:06
00:00
A
B
C
D
E

Difficulty:

  65% (hard)

Question Stats:

55% (02:13) correct 45% (02:36) wrong based on 71 sessions

HideShow timer Statistics

VP
VP
User avatar
D
Joined: 05 Mar 2015
Posts: 1005
Angles AMB and CMD are right angles, ∠AMD is acute, and ∠BMC=y° is acu  [#permalink]

Show Tags

New post Updated on: 20 Oct 2016, 07:47
Bunuel wrote:
Angles AMB and CMD are right angles, ∠AMD is acute, and ∠BMC=y° is acute. What is ∠AMD ?

A. 90°−y
B. 180°−y
C. 90°+y
D. 2y
E. y


Let AMD=x


Ans E
Attachments

111.png
111.png [ 9.09 KiB | Viewed 1425 times ]


Originally posted by rohit8865 on 19 Oct 2016, 10:22.
Last edited by rohit8865 on 20 Oct 2016, 07:47, edited 1 time in total.
Intern
Intern
User avatar
B
Joined: 13 Jun 2015
Posts: 36
Location: India
Concentration: General Management, Operations
GMAT 1: 680 Q48 V35
GMAT 2: 680 Q50 V32
GPA: 3
WE: Project Management (Manufacturing)
Re: Angles AMB and CMD are right angles, ∠AMD is acute, and ∠BMC=y° is acu  [#permalink]

Show Tags

New post 19 Oct 2016, 23:52
answer: E
(refer attached file for drawing)

LAMB = 90
LCMB = y

so, LAMC = 90-y

and since LDMC = 90

LDMA = 90 - (90-y) = y 8-)
Attachments

Untitled.jpg
Untitled.jpg [ 8.45 KiB | Viewed 1464 times ]


_________________
There is no secret ingredient !
It's just you !!!
Board of Directors
User avatar
V
Status: Stepping into my 10 years long dream
Joined: 18 Jul 2015
Posts: 3600
Reviews Badge
Angles AMB and CMD are right angles, ∠AMD is acute, and ∠BMC=y° is  [#permalink]

Show Tags

New post 20 Oct 2016, 06:50
1
rohit8865 wrote:
Bunuel wrote:
Angles AMB and CMD are right angles, ∠AMD is acute, and ∠BMC=y° is acute. What is ∠AMD ?

A. 90°−y
B. 180°−y
C. 90°+y
D. 2y
E. y


Let AMD=x


Ans B


We are given ∠BMC=y° is acute and in the diagram you have made this angle is Obtuse. Please recheck.

Answer should be y°.
_________________
My GMAT Story: From V21 to V40
My MBA Journey: My 10 years long MBA Dream
My Secret Hacks: Best way to use GMATClub | Importance of an Error Log!
Verbal Resources: All SC Resources at one place | All CR Resources at one place
Blog: Subscribe to Question of the Day Blog
GMAT Club Inbuilt Error Log Functionality - View More.
New Visa Forum - Ask all your Visa Related Questions - here.
New! Best Reply Functionality on GMAT Club!
Find a bug in the new email templates and get rewarded with 2 weeks of GMATClub Tests for free
Check our new About Us Page here.
VP
VP
User avatar
D
Joined: 05 Mar 2015
Posts: 1005
Re: Angles AMB and CMD are right angles, ∠AMD is acute, and ∠BMC=y° is acu  [#permalink]

Show Tags

New post 20 Oct 2016, 07:49
abhimahna wrote:
rohit8865 wrote:
Bunuel wrote:
Angles AMB and CMD are right angles, ∠AMD is acute, and ∠BMC=y° is acute. What is ∠AMD ?

A. 90°−y
B. 180°−y
C. 90°+y
D. 2y
E. y


Let AMD=x


Ans B


We are given ∠BMC=y° is acute and in the diagram you have made this angle is Obtuse. Please recheck.

Answer should be y°.


Missed the part y=acute ....anyway updated

thnx...
Non-Human User
User avatar
Joined: 09 Sep 2013
Posts: 12096
Re: Angles AMB and CMD are right angles, ∠AMD is acute, and ∠BMC=y° is acu  [#permalink]

Show Tags

New post 08 Aug 2019, 22:52
Hello from the GMAT Club BumpBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.
_________________
GMAT Club Bot
Re: Angles AMB and CMD are right angles, ∠AMD is acute, and ∠BMC=y° is acu   [#permalink] 08 Aug 2019, 22:52
Display posts from previous: Sort by

Angles AMB and CMD are right angles, ∠AMD is acute, and ∠BMC=y° is acu

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





Powered by phpBB © phpBB Group | Emoji artwork provided by EmojiOne