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

It is currently 19 Sep 2018, 06:03

Close

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
Your Progress

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

Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.

Close

Request Expert Reply

Confirm Cancel

Which of the following is the second greatest?

  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:

Hide Tags

Intern
Intern
User avatar
B
Joined: 06 Sep 2018
Posts: 34
Which of the following is the second greatest?  [#permalink]

Show Tags

New post Updated on: 07 Sep 2018, 21:22
1
00:00
A
B
C
D
E

Difficulty:

  55% (hard)

Question Stats:

44% (01:04) correct 56% (01:30) wrong based on 34 sessions

HideShow timer Statistics

Which of the following is the second greatest?

A) \(.000008\)

B) \(8*10^{-8}\)

C) \(8 ÷ 10^5\)

D) \(\frac{.0008}{1000}\)

E) \(88 ÷ 10^6\)

_________________

Eric Thomas, "When you want to succeed as bad as you want to breathe, then you'll be successful."


Originally posted by HasnainAfxal on 07 Sep 2018, 19:01.
Last edited by generis on 07 Sep 2018, 21:22, edited 1 time in total.
Formatted the question
Director
Director
User avatar
P
Status: Learning stage
Joined: 01 Oct 2017
Posts: 848
WE: Supply Chain Management (Energy and Utilities)
Premium Member CAT Tests
Re: Which of the following is the second greatest?  [#permalink]

Show Tags

New post 07 Sep 2018, 20:41
Hasnain786 wrote:
Which of the following is the second greatest?

A) \(.000008\)
B) \(8*10^-^8\)
C) \(8 ÷ 10^5\)
D) \(\frac{.0008}{1000}\)
E) \(88 ÷ 10^6\)


Let's write all the numbers in \(a*10^b\) form:

A. \(.000008\)=\(8*10^{-6}\)
B. \(8*10^{-8}\)
C. \(8 ÷ 10^5\)=\(8*10^{-5}\)
D. \(\frac{.0008}{1000}\)=\(8*10^{-4}*10^{-3}\)=\(8*10^{-7}\)
E. \(88 ÷ 10^6\)=\(8.8*10^{-5}\)

Descending order of magnitude: E>C>A>D>B

Ans. (C)
_________________

Regards,

PKN

Rise above the storm, you will find the sunshine

Math Expert
User avatar
V
Joined: 02 Aug 2009
Posts: 6787
Re: Which of the following is the second greatest?  [#permalink]

Show Tags

New post 07 Sep 2018, 20:43
Which of the following is the second greatest?

get all of them in form 8*10^{-x}
A) \(.000008=8*10^{-6}\)
B) \(8*10^-^8=8*10^{-8}\)
C) \(8 ÷ 10^5=\frac{8}{10^5}=8*10^{-5}\)
D) \(\frac{.0008}{1000}=8*10^{-7}\)
E) \(88 ÷ 10^6=8.8*10^{-5}\)

So the choices in descending order : E, C, A, D, B

So Ans is C
_________________

1) Absolute modulus : http://gmatclub.com/forum/absolute-modulus-a-better-understanding-210849.html#p1622372
2)Combination of similar and dissimilar things : http://gmatclub.com/forum/topic215915.html
3) effects of arithmetic operations : https://gmatclub.com/forum/effects-of-arithmetic-operations-on-fractions-269413.html


GMAT online Tutor

Senior SC Moderator
avatar
V
Joined: 22 May 2016
Posts: 1973
Premium Member CAT Tests
Re: Which of the following is the second greatest?  [#permalink]

Show Tags

New post 07 Sep 2018, 21:17
Hasnain786 wrote:
Which of the following is the second greatest?

A) \(0.000008\)
B) \(8*10^{-8}\)
C) \(8 ÷ 10^5\)
D) \(\frac{.0008}{1000}\)
E) \(88 ÷ 10^6\)

Rewrite each option. I think decimals are easier.

Given \(10^{-x}\), \(x\) = the number of digits to the right of the decimal

A) \(0.000008\)

B) \(8*10^{-8}=0.00000008\)

C) \(8 ÷ 10^5=\frac{8*10^0}{10^5}=\)
\(8*10^{(0-5)}=8*10^{-5}=.00008\)

D) \(\frac{.0008}{1000}=\frac{8*10^{-4}}{10^3}=\)
\(8*10^{(-4-3)}=8*10^{-7}=0.0000008\)

E) \(88 ÷ 10^6=(\frac{88*10^0}{10^6})=\)
\(88*10^{(0-6)}=88*10^{-6}=0.000088\)

A) 0.000008
B) 0.00000008
C) 0.00008
D) 0.0000008
E) 0.000088

Compare each decimal place.
E > C > A > D > B

C is second greatest

Answer (C)
_________________

In the depths of winter, I finally learned
that within me there lay an invincible summer.

-- Albert Camus, "Return to Tipasa"

Re: Which of the following is the second greatest? &nbs [#permalink] 07 Sep 2018, 21:17
Display posts from previous: Sort by

Which of the following is the second greatest?

  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics  

Events & Promotions

PREV
NEXT


GMAT Club MBA Forum Home| About| Terms and Conditions and Privacy Policy| GMAT Club Rules| Contact| Sitemap

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®.