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

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.

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

★★★★★5.0563 reviews

GMATLiveTeachStarts Nov 22

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 available

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 access

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 reviews

Data Sufficiency

Board index
Data Sufficiency

Advanced search

Topics

POSTS

Last post

60days

Free: one lesson and one timed question a day, picked by topic

gmat prep question

by yvonne12 » Tue Apr 10, 2007 3:29 pm

4

Last post by yvonne12
Thu Apr 12, 2007 9:11 am

ds 500 test 7 #23

by dunkin77 » Sun Apr 08, 2007 2:33 pm

2

Last post by Cybermusings
Thu Apr 12, 2007 8:55 am

gmat prep question

by yvonne12 » Tue Apr 10, 2007 3:33 pm

4

Last post by gabriel
Thu Apr 12, 2007 7:52 am

GMAT DS GMATPrep

by bicilotti » Tue Apr 10, 2007 4:47 am

11

Last post by Cybermusings
Thu Apr 12, 2007 7:38 am

factor problem

by jamesk486 » Wed Apr 11, 2007 1:16 am

4

Last post by Cybermusings
Thu Apr 12, 2007 7:25 am

good DS problem

by gabriel » Sat Apr 07, 2007 10:04 am

5

Last post by nauman
Mon Apr 09, 2007 5:58 pm

ds test5 #21

by dunkin77 » Fri Apr 06, 2007 5:04 pm

4

Last post by dunkin77
Sun Apr 08, 2007 7:38 pm

OG DS help

by Prasanna » Fri Mar 30, 2007 5:26 pm

3

Last post by Princeton Review
Sun Apr 08, 2007 5:02 pm

500 ds test6 #21

by dunkin77 » Sat Apr 07, 2007 8:32 pm

2

Last post by dunkin77
Sun Apr 08, 2007 9:51 am

500 ds test5# 20

by dunkin77 » Fri Apr 06, 2007 5:00 pm

1

Last post by gabriel
Sat Apr 07, 2007 9:56 am

500 ds

by dunkin77 » Wed Apr 04, 2007 2:00 pm

6

Last post by gabriel
Sat Apr 07, 2007 9:51 am

500 ds test4 #20

by dunkin77 » Thu Apr 05, 2007 4:51 pm

3

Last post by myprepgmat
Sat Apr 07, 2007 4:47 am

500 ds test4#17

by dunkin77 » Thu Apr 05, 2007 4:38 pm

1

Last post by gabriel
Fri Apr 06, 2007 10:23 am

500 ds test4 #18

by dunkin77 » Thu Apr 05, 2007 4:43 pm

2

Last post by dunkin77
Thu Apr 05, 2007 9:50 pm

ds test4 #23

by dunkin77 » Thu Apr 05, 2007 5:03 pm

2

Last post by dunkin77
Thu Apr 05, 2007 9:43 pm

500 ds

by dunkin77 » Wed Apr 04, 2007 1:54 pm

2

Last post by dunkin77
Thu Apr 05, 2007 8:21 am

500 ds

by dunkin77 » Wed Apr 04, 2007 1:52 pm

1

Last post by gabriel
Thu Apr 05, 2007 4:23 am

500 ds

by dunkin77 » Wed Apr 04, 2007 1:46 pm

1

Last post by jayhawk2001
Wed Apr 04, 2007 8:35 pm

question from Gmatprep test1

by banona » Sat Mar 03, 2007 11:22 am

3

Last post by rajesh_ctm
Tue Apr 03, 2007 6:44 pm

500 DS tricky

by dunkin77 » Mon Apr 02, 2007 2:30 pm

2

Last post by dunkin77
Mon Apr 02, 2007 7:33 pm

500 DS

by dunkin77 » Mon Apr 02, 2007 2:20 pm

2

Last post by dunkin77
Mon Apr 02, 2007 4:08 pm

500 DS

by dunkin77 » Sun Apr 01, 2007 1:12 pm

2

Last post by gabriel
Mon Apr 02, 2007 4:00 am

500 DS

by dunkin77 » Sun Apr 01, 2007 1:35 pm

1

Last post by Prasanna
Sun Apr 01, 2007 4:55 pm

GMAT Prep Test Q

by RachelAL » Tue Mar 27, 2007 6:23 am

5

Last post by gabriel
Sat Mar 31, 2007 12:33 am

Help on a Data Sufficiency Problem

by wlvoh » Wed Feb 07, 2007 6:37 pm

5

Last post by Cybermusings
Wed Mar 28, 2007 5:53 am

Problem 14 Section 11 of 100DS

by isisalaska » Thu Jan 25, 2007 3:44 pm

2

Last post by Cybermusings
Wed Mar 28, 2007 5:15 am

from Internet resources, #20, 22,24,25 of section 13

by isisalaska » Tue Mar 27, 2007 8:11 am

3

Last post by Cybermusings
Wed Mar 28, 2007 4:44 am

Two more form internet #17, 18, section 14

by isisalaska » Tue Mar 27, 2007 1:01 pm

3

Last post by Cybermusings
Wed Mar 28, 2007 3:28 am

GMAT Prep #2 - Q4: Movie

by maxim730 » Tue Mar 27, 2007 6:24 pm

2

Last post by maxim730
Wed Mar 28, 2007 3:25 am

Product of slopes

by maxim730 » Tue Mar 27, 2007 6:48 pm

1

Last post by jayhawk2001
Tue Mar 27, 2007 9:36 pm

GMAT Prep Test 2

by dsuna » Sun Mar 25, 2007 9:27 am

1

Last post by jayhawk2001
Sun Mar 25, 2007 12:10 pm

GMAT Prep Test 2

by dsuna » Sun Mar 25, 2007 9:26 am

1

Last post by jayhawk2001
Sun Mar 25, 2007 12:07 pm

GMAT Prep question - please explain

by dsuna » Sat Mar 24, 2007 11:01 am

1

Last post by jayhawk2001
Sat Mar 24, 2007 12:49 pm

GMAT Prep question - please explain

by dsuna » Sat Mar 24, 2007 11:04 am

1

Last post by jayhawk2001
Sat Mar 24, 2007 12:22 pm

Find the remainder

by snapplesf » Fri Mar 23, 2007 11:01 am

1

Last post by jayhawk2001
Fri Mar 23, 2007 6:25 pm

DS problem - graph

by gmatme » Sun Mar 18, 2007 8:24 am

3

Last post by gmatme
Sun Mar 18, 2007 9:23 am

Error in OG Data Sufficiency Book - check my math

by MaleInNC2007 » Mon Jan 22, 2007 7:06 pm

5

Last post by Tame the CAT
Fri Mar 16, 2007 4:37 pm

OG 11 DS problem

by pavithra » Wed Mar 14, 2007 1:21 pm

2

Last post by pavithra
Wed Mar 14, 2007 7:13 pm

The nearest thenth, the nearest hundredth

by isisalaska » Sun Jan 07, 2007 10:33 am

2

Last post by rajesh_ctm
Wed Mar 14, 2007 5:43 pm

DS Section 16, #17

by jaheer » Mon Feb 19, 2007 6:38 am

3

Last post by Vasudha
Sun Mar 11, 2007 8:50 pm

A question from Gmat prep

by banona » Fri Mar 02, 2007 5:38 pm

4

Last post by Vasudha
Sun Mar 11, 2007 1:57 pm

Kaplan 800 question Practice set 6, question #13

by slimsohn » Sat Mar 10, 2007 10:04 am

1

Last post by gabriel
Sat Mar 10, 2007 12:58 pm

Data Sufficiency (Triangles)

by Tsadori » Sun Jan 21, 2007 1:39 pm

1

Last post by Argen
Thu Mar 01, 2007 2:45 pm

few princeton review DS questions from 2nd ed math workout

by coachy » Mon Feb 19, 2007 2:25 pm

4

Last post by kandelaki
Tue Feb 20, 2007 10:46 pm

Section 18, question 6, 1000DS

by isisalaska » Sun Jan 28, 2007 4:23 pm

1

Last post by amitamit2020
Sun Feb 18, 2007 4:53 am

DS question

by magical cook » Wed Feb 14, 2007 8:57 am

2

Last post by Stacey Koprince
Wed Feb 14, 2007 8:13 pm

Question 20, section 17 of "lots of DS questions"

by isisalaska » Tue Feb 13, 2007 1:00 pm

4

Last post by Stacey Koprince
Wed Feb 14, 2007 8:05 pm

DS question

by magical cook » Wed Feb 14, 2007 9:49 am

1

Last post by amitamit2020
Wed Feb 14, 2007 10:44 am

DS question

by magical cook » Tue Feb 13, 2007 8:47 pm

1

Last post by magical cook
Tue Feb 13, 2007 10:18 pm

section 18, question 10, 1000DS

by isisalaska » Sun Jan 28, 2007 4:28 pm

4

Last post by isisalaska
Tue Feb 13, 2007 2:09 pm

The glass and steel atrium of the Charles M. Harper Center, home of Chicago Booth

Featured schoolRound 2 closes Jan 7, 2027 58 days left

Chicago Booth

Since 1982, 10 Booth faculty members have received the Nobel Prize in Economic Sciences, more than any other business school.

#3
U.S. News rank: $175,000
Median base salary: 670
Average GMAT Focus: 635
Students in the class

Apply to Booth Visit chicagobooth.edu See the full profile

Photo: Warren LeMay, CC BY-SA 2.0

GMAT Course Reviews

563 reviews

1168 reviews

431 reviews

359 reviews

147 reviews

Target Test Prep

5/5

5 Star (563 Reviews)

"Target Test Prep is the closest to the official version of the GMAT exam, about 99% accuracy in terms of the quality and quantity of information. The course has excellently created singular sets of focused lessons and tests for every possible topic that one could come across in the official GMAT exam."

"The TTP course maximizes the efficiency of the time you spend studying. It will take time and effort but I could almost guarantee that if you complete the course exactly as it is laid out you will get an amazing score. They also have a very responsive team willing to help with any questions you might have."

"TTP has two things that I think no other test prep company offers: A teaching approach that reinforces understanding and an attitude that will give you the mental preparedness needed to succeed on the test. TTP gives you a deep understanding of the concept you need to know while teaching you how to think."

FREE GMAT PREP RESOURCES

60days

The 60-day study plan

200cards

GMAT flashcards

8question types

GMAT error log

2a day

Daily Quant & Verbal questions

GMAT PREP DEAL TRACKER

FREE TRIAL
Target Test Prep GMAT OnDemand
SAVE $14
EMPOWERgmat, code BTGVIP64
FREE TRIAL
Magoosh GMAT plans
50% OFF
e-GMAT courses
FROM $199
Manhattan Prep (Kaplan) courses