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 1
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 1 · Josh Braslow
Sun · 1:00 to 4:00 PM ET
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
EALiveTeachOnDemand5 seats leftStart anytime
EXECUTIVE ASSESSMENT

Target Test Prep EA OnDemand

Self-paced EA prep. Study on your schedule.

Logan Thompson
EXECUTIVE ASSESSMENT

Sep 6 to Dec 6, 2026

with Logan Thompson

165+ EA score guarantee
$05-day trial no automatic billing
Schedule
Sun · 9:30 AM to 12:30 PM ET
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

Compare the format, schedule, and included access before enrolling. Prices and seat counts shown reflect the supplied offer details.

1000sc/529.. can anyone plz help me out of this??

Expert replies
by sindhoor27 » Sat Aug 23, 2008 3:23 am
Q)New hardy varieties of rice show promise of producing high yields without the costly requirements of irrigation and application of commercial fertilizer by earlier high-yielding varieties.


(A) requirements of irrigation and application of commercial fertilizer by earlier high-yielding varieties
(B) requirements by earlier high-yielding varieties of application of commercial fertilizer and irrigation
(C) requirements for application of commercial fertilizer and irrigation of earlier high-yielding varieties
(D) application of commercial fertilizer and irrigation that was required by earlier high-yielding varieties
(E) irrigation and application of commercial fertilizer that were required by earlier high-yielding varieties
Join the discussion
Source: — Sentence Correction |

New hardy varieties of rice show promise of producing high yields without the costly requirements of irrigation and application of commercial fertilizer by earlier high-yielding varieties.

(A) requirements of irrigation and application of commercial fertilizer by earlier high-yielding varieties
costly requirements ... by ..
Is not idiomatic


(B) requirements by earlier high-yielding varieties of application of commercial fertilizer and irrigation
requirements by Is not idiomatic
application of ..... irrigation - very bad



(C) requirements for application of commercial fertilizer and irrigation of earlier high-yielding varieties
irrigation of earlier high-yielding varieties - applyies only to irrigation alone


(D) application of commercial fertilizer and irrigation that was required by earlier high-yielding varieties
application of commercial fertilizer and irrigation that was - was is incorrect in reference to application and irrigation


(E) irrigation and application of commercial fertilizer that were required by earlier high-yielding varieties
OK
Idiom required by is used
Logical predication - OK


Answer is E


It seemes to that this question is from OG... There are perfect explanations of sentence correction
Join the discussion

by stubbornp » Sat Aug 23, 2008 9:40 am
imo E
Join the discussion

by iwill » Mon Aug 25, 2008 3:51 am
IMO E.

please post the OA.

Thanks,
Iwill.
Join the discussion

by tanviet » Sat Feb 18, 2012 2:41 am
Pls, help,
I want to know more of why "requirement by " is wrong. Normally we should use NOUN OF NOUN or NOUN'S NOUN .

Is my thinking correct?

for example, "the oil exploration by the company" is wrong. "The company's oil exploration" is correct.

please, detail why NOUN BY NOUN is wrong.
Join the discussion