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

It is currently 20 Feb 2019, 09:39

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 in February
PrevNext
SuMoTuWeThFrSa
272829303112
3456789
10111213141516
17181920212223
242526272812
Open Detailed Calendar
  • Free GMAT Prep Hour

     February 20, 2019

     February 20, 2019

     08:00 PM EST

     09:00 PM EST

    Strategies and techniques for approaching featured GMAT topics. Wednesday, February 20th at 8 PM EST
  • Online GMAT boot camp for FREE

     February 21, 2019

     February 21, 2019

     10:00 PM PST

     11:00 PM PST

    Kick off your 2019 GMAT prep with a free 7-day boot camp that includes free online lessons, webinars, and a full GMAT course access. Limited for the first 99 registrants! Feb. 21st until the 27th.

If y is a positive integer, what is the units digit of y?

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

Hide Tags

 
Senior Manager
Senior Manager
avatar
G
Joined: 27 Dec 2016
Posts: 292
CAT Tests
If y is a positive integer, what is the units digit of y?  [#permalink]

Show Tags

New post 30 Sep 2017, 19:03
4
1
00:00
A
B
C
D
E

Difficulty:

  45% (medium)

Question Stats:

60% (01:19) correct 40% (01:29) wrong based on 60 sessions

HideShow timer Statistics

If y is a positive integer, what is the units digit of y?

(1) The units digit of y^2 = 6
(2) The units digit of (y+1)^2 = 5
Senior Manager
Senior Manager
User avatar
G
Joined: 17 Oct 2016
Posts: 318
Location: India
Concentration: Operations, Strategy
GPA: 3.73
WE: Design (Real Estate)
GMAT ToolKit User Premium Member
Re: If y is a positive integer, what is the units digit of y?  [#permalink]

Show Tags

New post 30 Sep 2017, 19:08
B
St1 says it can be 4/6. Not sufficient
St2 says y is definitely 4. Hence option B


Sent from my iPhone using GMAT Club Forum
_________________

Help with kudos if u found the post useful. Thanks

VP
VP
avatar
G
Joined: 09 Mar 2018
Posts: 1001
Location: India
Re: If y is a positive integer, what is the units digit of y?  [#permalink]

Show Tags

New post 07 Feb 2019, 22:19
1
csaluja wrote:
If y is a positive integer, what is the units digit of y?

(1) The units digit of y^2 = 6
(2) The units digit of (y+1)^2 = 5


Keyword: y is a positive integer

from 1, we can get 2 values 4 and 6

from 2, we get only one value i.e = 4
Sufficient
_________________

If you notice any discrepancy in my reasoning, please let me know. Lets improve together.

Quote which i can relate to.
Many of life's failures happen with people who do not realize how close they were to success when they gave up.

GMAT Club Bot
Re: If y is a positive integer, what is the units digit of y?   [#permalink] 07 Feb 2019, 22:19
Display posts from previous: Sort by

If y is a positive integer, what is the units digit of y?

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


Copyright

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®.