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OG-2nd Edition - Question 114 & 134

1)Salesperson A's compensation for any week is $360 plus 6 percent of the portion of A's total sales above $1,000 for that week. Salesperson B's compensation for any week is 8 percent of B's total sales for that week. For what amount of total weekly sales would both salespeople earn the same compens...

by shanice

Sun Aug 05, 2012 8:11 pm
Forum: Problem Solving
Topic: OG-2nd Edition - Question 114 & 134
Replies: 6
Views: 2947

2nd Edition - OG - Question 70

How do I approach the below question?

K is a set of numbers such that
(i) if x is in K, then -x is in K, and
(ii)if each of x and y is in K, then xy is in K.

Is 12 in K?
(1)2 is in K
(2)3 is in K.

Answer is C.

Thank you in advance.

by shanice

Sun Aug 05, 2012 7:56 pm
Forum: Data Sufficiency
Topic: 2nd Edition - OG - Question 70
Replies: 2
Views: 925

Source-OG-2nd Edition-Question 85

Last year in a group of 30 businesses, 21 reported a net profit and 15 had investments in foreign markets.How many of the businesses did not report a net profit nor invest in foreign markets last year? (1)Last year 12 out of the businesses reported a net profit and had investments in foreign markets...

by shanice

Sun Aug 05, 2012 7:51 pm
Forum: Data Sufficiency
Topic: Source-OG-2nd Edition-Question 85
Replies: 2
Views: 1100

yes,alex.gellately.You've answered my question.

Thank you very much.

by shanice

Mon Jul 30, 2012 9:57 pm
Forum: Problem Solving
Topic: Percent Problem - EZ Solutions
Replies: 6
Views: 1448

Eagleeye, that was a perfect explanation. I could not ask for more.

Thank you.

by shanice

Mon Jul 30, 2012 9:53 pm
Forum: Problem Solving
Topic: Source - GMAT(OG) - 2nd Edition - Question 146
Replies: 2
Views: 1019

Source - GMAT(OG) - 2nd Edition - Question 146

On a certain transatlantic crossing, 20 percent of a ship's passengers held round-trip tickets and also took their cars aboard the ship. If 60 percent of the passengers with round-trip tickets did not take their cars aboard the ship, what percent of the ship's passengers held round-trip tickets? a)3...

by shanice

Mon Jul 30, 2012 8:44 pm
Forum: Problem Solving
Topic: Source - GMAT(OG) - 2nd Edition - Question 146
Replies: 2
Views: 1019

Hi, can anyone please reply?

by shanice

Mon Jul 30, 2012 8:09 pm
Forum: Problem Solving
Topic: Percent Problem - EZ Solutions
Replies: 6
Views: 1448

Thank you very much, eagleeye. I understand it now and because of that I get to solve a lot of similar questions correctly.

I'm truly grateful.

by shanice

Mon Jul 30, 2012 8:08 pm
Forum: Problem Solving
Topic: Source - EZ Solutions-Advanced Workbook
Replies: 13
Views: 2039

Hi BirottamDutta & GMATGuruNY, Thanks for your help.But I'm confused with the question being asked.Please look at the sentence below:- If 25 percent of all the people are at least sixty years old, how many people over the age of sixty did not report that they were suffering from depression? Conf...

by shanice

Sat Jul 28, 2012 9:54 pm
Forum: Problem Solving
Topic: Percent Problem - EZ Solutions
Replies: 6
Views: 1448

Hi eagleeye,

In reference to question 2, why do I need to do squaring? I don't understand that part.

Thank you for your help.

by shanice

Sat Jul 28, 2012 9:39 pm
Forum: Problem Solving
Topic: Source - EZ Solutions-Advanced Workbook
Replies: 13
Views: 2039

Percent Problem - EZ Solutions

In a recent anonymous poll of a certain private community, 22 percent of its 2500 residents reported that they were suffering from depression. Of this group of depressed people, 20 percent were at least sixty years old. If 25 percent of all the people are at least sixty years old, how many people ov...

by shanice

Fri Jul 27, 2012 8:51 pm
Forum: Problem Solving
Topic: Percent Problem - EZ Solutions
Replies: 6
Views: 1448

Sorry about that. I'm not really familiar with the keyboard functions. Anyway, I've re-typed the question with some help. Hope it's clear now. 1)If x>49, simplify x-5√x-14 /√x-7. Answer is √x+2 Note: The square root is for x only. 2)If x+1/x=10, then what is the value of x^2+1/x^2? Answer is 9...

by shanice

Fri Jul 27, 2012 8:30 pm
Forum: Problem Solving
Topic: Source - EZ Solutions-Advanced Workbook
Replies: 13
Views: 2039

Can anyone help, please? I'm really desperate to solve this question.

by shanice

Fri Jul 27, 2012 7:46 am
Forum: Problem Solving
Topic: Source - EZ Solutions-Advanced Workbook
Replies: 13
Views: 2039

Source - EZ Solutions-Advanced Workbook

Guys, please help me with below:-

If x > 49, simplify x-5square root x -14/square root x - 7

Answer is square root x + 2

Thank you in advance.

by shanice

Thu Jul 26, 2012 9:43 pm
Forum: Problem Solving
Topic: Source - EZ Solutions-Advanced Workbook
Replies: 13
Views: 2039

Thank you very much for the great explanation, niketdoshi123. I get it now.

by shanice

Fri Jul 20, 2012 8:25 pm
Forum: Data Sufficiency
Topic: OG - 2nd Edition - Question 50
Replies: 2
Views: 1118