Live GMAT classes with Target Test Prep start Nov 21 and Nov 22. First class free.

See classes
Target Test Prep · GMAT

Choose how you want to prepare

Learn live with an expert or move at your own pace. Every option includes the complete TTP study system.

Newsweek Readers’ Choice Awards 2026 winner: Target Test Prep, #1 Test Prep

Target Test Prep was voted #1 Best Test Prep in the 2026 Newsweek Readers’ Choice™ Awards.

★★★★★5.0563 reviews
GMATLiveTeachStarts Nov 22
Josh Braslow, Target Test Prep GMAT expert
LIVE ONLINE CLASSES

Get Ready for GMAT Test Day Faster with Live Online Classes

with Josh Braslow, 20+ years in test prep

Nov 22 · Josh Braslow
Sun · 9:30 AM to 12:30 PM ET
Included
40 hours of live online classes + 6 months of TTP OnDemand
  • Attend the first class for free
  • Every class is recorded, so you never fall behind
View classes & enroll
Limited seats availableTarget Test Prep
EALiveTeachOnDemandStart anytime
EXECUTIVE ASSESSMENT

Target Test Prep EA OnDemand

Self-paced EA prep. Study on your schedule.

EXECUTIVE ASSESSMENT

with

165+ EA score guarantee
$05-day trial no automatic billing
Schedule
Included
40 hours of live online classes plus six months of access to the complete TTP EA OnDemand course.
  • 165+ EA Score Guarantee
  • 4,100+ Quant, Verbal, and Integrated Reasoning practice questions
  • 400+ hours of in-depth video lessons
  • 3,000+ step-by-step video solutions
View EA class & enroll Start free 5-day trial
Limited cohort · enrollment openTrial includes full course accessTarget Test Prep
GMATOnDemandStart anytime
SELF-PACED MASTERCLASS

Target Test Prep GMAT OnDemand

Complete access from day one. Study on your schedule.

715+ score guarantee
$0to start then $127/mo
  • Personalized study plan and analytics
  • Thousands of lessons and practice questions
Start free 5-day trial
Read 563 reviewsTarget Test Prep

Parallelogram DS

Expert replies
Post new topic Post Reply
Subscribe topic
Previous Topic Next Topic
Source: — Problem Solving |
User avatar
Legendary Member
Posts: 1560
Joined: Tue Nov 17, 2009 2:38 amFollowed by: 5 members
Thanked: 137 times

by thephoenix » Sat Mar 20, 2010 3:21 am
soln...atached
You do not have the required permissions to view the files attached to this post.
Top
Join the discussion
Newbie | Next Rank: 10 Posts
Posts: 5
Joined: Wed Sep 23, 2009 8:41 am

by ankit.k.shrivastava » Sat Mar 20, 2010 3:55 am
sorry for posting it in the PS section. Mods please move it to the DS section.

The diagram may also look like this?

the parallelograms are in the same plane

Image

** edited the original post
Last edited by ankit.k.shrivastava on Sat Mar 20, 2010 10:20 am, edited 1 time in total.
Top
Join the discussion
User avatar
Legendary Member
Posts: 1560
Joined: Tue Nov 17, 2009 2:38 amFollowed by: 5 members
Thanked: 137 times

by thephoenix » Sat Mar 20, 2010 9:31 am
ankit.k.shrivastava wrote:sorry for posting it in the Ps section. Mods please move it to the DS section.


The diagram may also look like this?

Image
[/img]
IMO the dig can not look like the way you have shown . For it to be true the <r has to be 90 deg........
i think we can not assume that bth llgms are in diff plane
Top
Join the discussion
Newbie | Next Rank: 10 Posts
Posts: 5
Joined: Wed Sep 23, 2009 8:41 am

by ankit.k.shrivastava » Mon Mar 22, 2010 11:55 am
anyone anyone ?
Top
Join the discussion
Master | Next Rank: 500 Posts
Posts: 182
Joined: Sat Apr 11, 2009 4:55 am
Thanked: 11 times

by Giorgio » Mon Mar 22, 2010 12:42 pm
Answer to this problem is clearly C!

Because there are many ways to draw two parallelograms sharing the same side.
Top
Join the discussion