Last visit was: 27 Dec 2024, 08:15 It is currently 27 Dec 2024, 08:15
Decision Tracker
My Rewards
New comers' posts
New posts
Unanswered

Close

GRE Prep 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 GRE 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.

Go to My Error Log Learn more
Close

Request Expert Reply

Confirm Cancel
PREVIOUS TOPIC
NEXT TOPIC

sqrt of 255

Tags :
Find Similar Topics  About  Add a Tag

Show Tags
Hide Tags

User avatar
D
Carcass
Verbal Expert
Joined: 18 Apr 2015
Posts: 30515
Own Kudos [?]: 36888 [1]
Given Kudos: 26112
Send PM
sqrt of 255 [#permalink] New post   02 Mar 2021, 08:52
Expert Reply
1
Bookmarks
00:00

Question Stats:

94% (00:37) correct 5% (01:33) wrong based on 18 sessions

Hide Show timer Statistics

Quantity A
Quantity B
\(\sqrt[4]{255}\)
\(4\)



A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.

Kudos for the right answer and explanation
Question part of the project GRE Quantitative Reasoning Daily Challenge - (2021) EDITION
GRE - Math Book
ShowHide Answer
Official Answer
B
User avatar
D
KarunMendiratta
Retired Moderator
Joined: 16 Apr 2020
Status:Founder & Quant Trainer
Affiliations: Prepster Education
Posts: 1546
Own Kudos [?]: 3273 [1]
Given Kudos: 172
Location: India
WE:Education (Education)
Send PM
sqrt of 255 [#permalink] New post   02 Mar 2021, 09:03
1
Carcass wrote:
Quantity A
Quantity B
\(\sqrt[4]{255}\)
\(4\)



A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.


Since we have a fourth root in the question, the number under the root must be a perfect fourth to have an integer value
255 is approximately equal to 256 which is \(4^4\)

Col. A: a number just smaller than 4
Col. B: 4

Hence, option B
User avatar
D
rx10
Retired Moderator
Joined: 02 Dec 2020
Posts: 1831
Own Kudos [?]: 2149 [2]
Given Kudos: 140
GRE 1: Q168 V157

GRE 2: Q167 V161
Send PM
sqrt of 255 [#permalink] New post   02 Mar 2021, 09:05
2
Raise both the quantity to the power of 4

Qt A = 255

Qt B = \(4^4\) = 256

Qt B > Qt A

Answer B
Prep Club for GRE Bot
gmatclubot
sqrt of 255 [#permalink]
02 Mar 2021, 09:05
Moderators:
adewale223
GRE Instructor
88 posts
bronaugust
GRE Forum Moderator
37 posts
BrushMyQuant
Moderator
1115 posts
VibhuAnurag
GRE Instructor
234 posts

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

Main navigation

Partners

GRE Resources

www.ets.org/gre | About | Terms and Conditions and Privacy Policy | Prep Club for GRE Rules | Contact