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

double tennis

Expert replies
Post new topic Post Reply
Subscribe topic
Previous Topic Next Topic
Legendary Member
Posts: 876
Joined: Thu Apr 10, 2008 8:14 am
Thanked: 13 times
by ketkoag » Sat Jun 20, 2009 1:40 am
A group of 8 friends want to play double tennis. How many different ways can the group be divided into 4 teams of two people?

OA:105
Top
Join the discussion
Source: — Problem Solving |
Legendary Member
Posts: 575
Joined: Tue Nov 04, 2008 2:58 amFollowed by: 4 members
Location: India
Thanked: 18 times
GMAT Score:710

by rahulg83 » Sat Jun 20, 2009 3:31 am
I am confused here :cry:
Top
Join the discussion
Master | Next Rank: 500 Posts
Posts: 122
Joined: Fri May 22, 2009 10:38 pm
Thanked: 8 times
GMAT Score:700

by rah_pandey » Sat Jun 20, 2009 5:36 am
Ketkoag,
Are you sure about the answer?
according to me it should be
8c2+6c2+4c2+2c2=49 ways

can anybody throw some light
Top
Join the discussion
Legendary Member
Posts: 876
Joined: Thu Apr 10, 2008 8:14 am
Thanked: 13 times

by ketkoag » Sun Jun 21, 2009 2:21 am
about the OA, 105 is what is mentioned here..
Interestingly, they have mentioned a formula in the OE i.e.
the number of ways of dividing "mn" things into "m" groups of "n" each :
(mn)!/(m!) * (n!)^m

I don't get this formula either.. please help me understand this formula and its application..
Top
Join the discussion
Legendary Member
Posts: 575
Joined: Tue Nov 04, 2008 2:58 amFollowed by: 4 members
Location: India
Thanked: 18 times
GMAT Score:710

by rahulg83 » Sun Jun 21, 2009 2:31 am
https://www.beatthegmat.com/friends-want ... 18991.html

Check Ian's post here...nice explanation...Googled it :)
Top
Join the discussion
Legendary Member
Posts: 876
Joined: Thu Apr 10, 2008 8:14 am
Thanked: 13 times

by ketkoag » Mon Jun 22, 2009 3:06 am
yeah, Ian has explained it very well. thanks..
Top
Join the discussion