GMAT Question of the Day - Daily to your Mailbox; hard ones only

 It is currently 16 Jul 2018, 23:09

### GMAT 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

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

# is 2^x greater than 100? 1. 2^sq.root of x=8 2. 1/2^sq.root

Author Message
Intern
Joined: 23 Sep 2004
Posts: 5
is 2^x greater than 100? 1. 2^sq.root of x=8 2. 1/2^sq.root [#permalink]

### Show Tags

09 Nov 2004, 18:03
00:00

Difficulty:

(N/A)

Question Stats:

100% (00:33) correct 0% (00:00) wrong based on 9 sessions

### HideShow timer Statistics

is 2^x greater than 100?

1. 2^sq.root of x=8
2. 1/2^sq.root of x 1/.01 or

2^x>100

I dont understand this logic. Can anyone help?
Thanks.

Tim

--== Message from GMAT Club Team ==--

This is not a quality discussion. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

To review the GMAT Club's Forums Posting Guidelines, please follow these links: Quantitative | Verbal Please note - we may remove posts that do not follow our posting guidelines. Thank you.
Intern
Joined: 08 Nov 2004
Posts: 46
Location: Montreal

### Show Tags

09 Nov 2004, 18:23
1
It's a rule

x>y

implies:

1/x < 1/y

So, in our case:

1/2^sqrt(x) < 1/100

implies

2^sqrt(x) > 100
Director
Joined: 07 Nov 2004
Posts: 668

### Show Tags

09 Nov 2004, 19:52
Try using numbers, for instance

4>2, but if you look at their inverse 1/4<1/2

which demonstrates the rule, x>y => 1/x<1/y
Joined: 31 Dec 1969
Location: Russian Federation
GMAT 3: 740 Q40 V50
GMAT 4: 700 Q48 V38
GMAT 5: 710 Q45 V41
GMAT 6: 680 Q47 V36
GMAT 9: 740 Q49 V42
GMAT 11: 500 Q47 V33
GMAT 14: 760 Q49 V44
WE: Supply Chain Management (Energy and Utilities)

### Show Tags

09 Nov 2004, 20:17
Thank you both. That was a real help!!
Non-Human User
Joined: 09 Sep 2013
Posts: 7268
Re: is 2^x greater than 100? 1. 2^sq.root of x=8 2. 1/2^sq.root [#permalink]

### Show Tags

19 Oct 2017, 21:31
Hello from the GMAT Club BumpBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.

--== Message from GMAT Club Team ==--

This is not a quality discussion. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

To review the GMAT Club's Forums Posting Guidelines, please follow these links: Quantitative | Verbal Please note - we may remove posts that do not follow our posting guidelines. Thank you.

_________________
Re: is 2^x greater than 100? 1. 2^sq.root of x=8 2. 1/2^sq.root   [#permalink] 19 Oct 2017, 21:31
Display posts from previous: Sort by

# Events & Promotions

 Powered by phpBB © phpBB Group | Emoji artwork provided by EmojiOne Kindly note that the GMAT® test is a registered trademark of the Graduate Management Admission Council®, and this site has neither been reviewed nor endorsed by GMAC®.