• 5-Day Free Trial
5-day free, full-access trial TTP Quant

Available with Beat the GMAT members only code

• Free Practice Test & Review
How would you score if you took the GMAT

Available with Beat the GMAT members only code

• 5 Day FREE Trial
Study Smarter, Not Harder

Available with Beat the GMAT members only code

• 1 Hour Free
BEAT THE GMAT EXCLUSIVE

Available with Beat the GMAT members only code

• Free Trial & Practice Exam
BEAT THE GMAT EXCLUSIVE

Available with Beat the GMAT members only code

• Get 300+ Practice Questions

Available with Beat the GMAT members only code

• Award-winning private GMAT tutoring
Register now and save up to \$200

Available with Beat the GMAT members only code

• Free Veritas GMAT Class
Experience Lesson 1 Live Free

Available with Beat the GMAT members only code

• Most awarded test prep in the world
Now free for 30 days

Available with Beat the GMAT members only code

• Magoosh
Study with Magoosh GMAT prep

Available with Beat the GMAT members only code

## Problem Solving-PS

This topic has 1 expert reply and 5 member replies
Sumit69 Senior | Next Rank: 100 Posts
Joined
22 Mar 2007
Posted:
30 messages
1

#### Problem Solving-PS

Sat Apr 07, 2007 11:57 pm
Is n and integer?

n3 is an integer
3\﻿n is an integer

Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient
Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient
BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient
EACH statement ALONE is sufficient
Statements (1) and (2) TOGETHER are NOT sufficient.

ajith Legendary Member
Joined
21 Sep 2006
Posted:
1275 messages
Followed by:
2 members
125
Test Date:
April 2010
Target GMAT Score:
740
Thu Apr 12, 2007 10:24 pm
Sumit69 wrote:
Is n and integer?

n3 is an integer
3\﻿n is an integer

Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient
Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient
BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient
EACH statement ALONE is sufficient
Statements (1) and (2) TOGETHER are NOT sufficient.
1 is not sufficient
Take the case of 3n = 6 then n=2 ,n integer
take the case of 3n=7 then n=7/3 , a non integer

2 is not sufficient
take the case when 3/n=1 then n=3,integer
take the case when 3/n =2 then n=3/2, a non integer

now combining both

Consider n=1/3, a non integer, it satisfies both I and II
Consider n=1, an integer , it satisfies both I and II

So, n can be an integer or a non integer

So E it is !!!

_________________
Always borrow money from a pessimist, he doesn't expect to be paid back.

gabriel Legendary Member
Joined
20 Dec 2006
Posted:
986 messages
Followed by:
1 members
51
Fri Apr 13, 2007 4:44 am
... yeah the answer seems to be E ... guyz sorry for the wrong answer..

### GMAT/MBA Expert

Joined
13 Feb 2006
Posted:
6715 messages
Followed by:
966 members
1249
Sun Apr 08, 2007 12:00 am
Moved to Data Sufficiency section...

Sumit69 Senior | Next Rank: 100 Posts
Joined
22 Mar 2007
Posted:
30 messages
1
Sun Apr 08, 2007 6:42 am

gabriel Legendary Member
Joined
20 Dec 2006
Posted:
986 messages
Followed by:
1 members
51
Sun Apr 08, 2007 12:53 pm
Sumit69 wrote:
Is n and integer?

n3 is an integer
3\﻿n is an integer

Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient
Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient
BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient
EACH statement ALONE is sufficient
Statements (1) and (2) TOGETHER are NOT sufficient.
the fist statement says that 3*n is a integer ... there are 2 possiblities first n is an integer = 6 .. in which case 3*n is an intger .. second n is of the form a/3 ( a is an integer ) .. in which case again 3*n is an integer .. so first is insufficient ...

the second statement says 3/n is an integer .. there are again 2 possiblities .. first n=1 in which case n is an intger and so is 3/n .. second n is of the form 3/b (b is an integer ) .. in which case 3/n = 3/(3/b) = b an intger .. so again there is no defnite value for n .. so insufficient

now combibng both the cases .. we can see that n is an intger .. so the answer is C

RAGS Senior | Next Rank: 100 Posts
Joined
18 Mar 2007
Posted:
70 messages
Followed by:
1 members
Thu Apr 12, 2007 8:33 am
The ans is E
bcos lets take 1/3 as n both statements r satisfied

lets take 3 as n again both statements r satisfied

hence E

### Best Conversation Starters

1 lheiannie07 108 topics
2 Roland2rule 63 topics
3 ardz24 63 topics
4 LUANDATO 52 topics
5 Vincen 50 topics
See More Top Beat The GMAT Members...

### Most Active Experts

1 GMATGuruNY

The Princeton Review Teacher

144 posts
2 Jeff@TargetTestPrep

Target Test Prep

115 posts
3 Rich.C@EMPOWERgma...

EMPOWERgmat

111 posts
4 Scott@TargetTestPrep

Target Test Prep

101 posts
5 Max@Math Revolution

Math Revolution

87 posts
See More Top Beat The GMAT Experts