BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course

Redeem

even numbers

This topic has expert replies
Post new topic Post Reply
Previous Topic Next Topic
Senior | Next Rank: 100 Posts
Posts: 80
Joined: Thu Aug 12, 2010 11:47 pm
Location: chennai, india
Thanked: 2 times

even numbers

by kushal.adhia » Sat Nov 06, 2010 3:26 am
Does set S contain any even numbers?


1) There are no prime numbers in S.

2) There are no multiples of 4 in S.


Why is the answer not D?

Stmt 1 says that there are no prime numbers in S; so S contains the numbers 1, 4, 6, 8, 9, 10
As seen, even numbers are present in the set

Stmt 2 says that there are no multiples of 4 in S; S can contain 1, 2, 5, 6, 7, 9..
Again even numbers are present in the set
Top
Source: — Data Sufficiency |

GMAT/MBA Expert

User avatar
GMAT Instructor
Posts: 1179
Joined: Sun Apr 11, 2010 9:07 pm
Location: Milpitas, CA
Thanked: 447 times
Followed by:88 members

by Rahul@gurome » Sat Nov 06, 2010 3:41 am
(1) S can be {4, 6, 8, 9} or S can be {9, 15, 21}. So S may or may not contain even numbers.
So, (1) is NOT SUFFICIENT.

(2) S can be {2, 3, 5, 6} or S can be {3, 5, 7, 9}. So S may or may not contain even numbers.
So, (1) is NOT SUFFICIENT.

Combining also, we cannot answer the question.
Hence, E is the correct answer.
Rahul Lakhani
Quant Expert
Gurome, Inc.
https://www.GuroMe.com
On MBA sabbatical (at ISB) for 2011-12 - will stay active as time permits
1-800-566-4043 (USA)
+91-99201 32411 (India)
Top
Senior | Next Rank: 100 Posts
Posts: 80
Joined: Thu Aug 12, 2010 11:47 pm
Location: chennai, india
Thanked: 2 times

by kushal.adhia » Sat Nov 06, 2010 3:47 am
@ Rahul

Thanks a lot for your explanation..
I have no idea why i did not think of that while solving the problem..

tks again :)
Top

GMAT/MBA Expert

User avatar
GMAT Instructor
Posts: 1179
Joined: Sun Apr 11, 2010 9:07 pm
Location: Milpitas, CA
Thanked: 447 times
Followed by:88 members

by Rahul@gurome » Sat Nov 06, 2010 3:49 am
kushal.adhia wrote:@ Rahul

Thanks a lot for your explanation..
I have no idea why i did not think of that while solving the problem..

tks again :)
U r welcome!
Rahul Lakhani
Quant Expert
Gurome, Inc.
https://www.GuroMe.com
On MBA sabbatical (at ISB) for 2011-12 - will stay active as time permits
1-800-566-4043 (USA)
+91-99201 32411 (India)
Top
Post new topic Post Reply
• Page 1 of 1