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

It is currently 23 Jun 2018, 20:23

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

Events & Promotions

Events & Promotions in June
Open Detailed Calendar

If 5a = 3b = 25, then 30ab =

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

Hide Tags

Expert Post
Math Expert
User avatar
V
Joined: 02 Sep 2009
Posts: 46297
If 5a = 3b = 25, then 30ab = [#permalink]

Show Tags

New post 20 Mar 2016, 23:40
00:00
A
B
C
D
E

Difficulty:

  5% (low)

Question Stats:

87% (00:38) correct 13% (00:28) wrong based on 95 sessions

HideShow timer Statistics

Expert Post
1 KUDOS received
SVP
SVP
User avatar
P
Joined: 08 Jul 2010
Posts: 2115
Location: India
GMAT: INSIGHT
WE: Education (Education)
Reviews Badge
Re: If 5a = 3b = 25, then 30ab = [#permalink]

Show Tags

New post 21 Mar 2016, 05:07
1
Bunuel wrote:
If 5a = 3b = 25, then 30ab =

A. 50
B. 100
C. 625
D. 1000
E. 1250


5a * 3b = 25 * 25 = 625

15 ab = 625
i.e. 30 ab = 1250

Answer: Option E
_________________

Prosper!!!
GMATinsight
Bhoopendra Singh and Dr.Sushma Jha
e-mail: info@GMATinsight.com I Call us : +91-9999687183 / 9891333772
Online One-on-One Skype based classes and Classroom Coaching in South and West Delhi
http://www.GMATinsight.com/testimonials.html

22 ONLINE FREE (FULL LENGTH) GMAT CAT (PRACTICE TESTS) LINK COLLECTION

1 KUDOS received
Intern
Intern
avatar
Joined: 02 Mar 2015
Posts: 24
Re: If 5a = 3b = 25, then 30ab = [#permalink]

Show Tags

New post 21 Mar 2016, 21:51
1
1
If 5a = 3b = 25, then 30ab =

A. 50
B. 100
C. 625
D. 1000
E. 1250

Answer E:

5a = 25 ( A=5)
3b = 25 (b=25/3)

30*a*b = 30*5*(25/3)
= 10*5*25 = 1250 Option E
Director
Director
avatar
S
Joined: 12 Nov 2016
Posts: 776
Location: United States
Schools: Yale '18
GMAT 1: 650 Q43 V37
GRE 1: 315 Q157 V158
GPA: 2.66
Re: If 5a = 3b = 25, then 30ab = [#permalink]

Show Tags

New post 31 Aug 2017, 16:59
Bunuel wrote:
If 5a = 3b = 25, then 30ab =

A. 50
B. 100
C. 625
D. 1000
E. 1250


use fractions

(25/3) * 3 =25
5(5) =25

(25/3) * 5 * 30 =1250

e
Re: If 5a = 3b = 25, then 30ab =   [#permalink] 31 Aug 2017, 16:59
Display posts from previous: Sort by

If 5a = 3b = 25, then 30ab =

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


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®.