Find all School-related info fast with the new School-Specific MBA Forum

 It is currently 04 May 2015, 04:13

### 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

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

# Events & Promotions

###### Events & Promotions in June
Open Detailed Calendar

# Need help solving ps question

Author Message
TAGS:
Intern
Joined: 19 Dec 2009
Posts: 34
Followers: 0

Kudos [?]: 20 [0], given: 9

Need help solving ps question [#permalink]  18 Oct 2010, 10:08
00:00

Difficulty:

(N/A)

Question Stats:

43% (01:57) correct 57% (00:40) wrong based on 7 sessions
A cashier mentally reversed the digits of one customer's correct amount of change and this gave the customer an incorrect amount of change. Id the cash register contained 45 cents more than it should have as a result of this error, which of the following could have been the correct amount of change in cents.

A 14
B 45
C 54
D 65
E 83
[Reveal] Spoiler: OA
Manager
Joined: 08 Sep 2010
Posts: 236
Location: India
WE 1: 6 Year, Telecom(GSM)
Followers: 4

Kudos [?]: 113 [1] , given: 21

Re: Need help solving ps question [#permalink]  18 Oct 2010, 10:21
1
KUDOS
rtaha2412 wrote:
A cashier mentally reversed the digits of one customer's correct amount of change and this gave the customer an incorrect amount of change. Id the cash register contained 45 cents more than it should have as a result of this error, which of the following could have been the correct amount of change in cents.

A 14
B 45
C 54
D 65
E 83

Suppose the correct amount of Change is xy In place of that he has given yx change.

The decimal value of xy is 10x+y
and for yx it is 10y +x

According to the question ,the difference is 45 cents .

10x + y - (10y+x) =45
9(x-y)=45 or x-y=5

So the difference of two digit should be 5 and the only option with this criteria is 83.Hence answer is E.

Consider KUDOS if it helped u in some way.
Re: Need help solving ps question   [#permalink] 18 Oct 2010, 10:21
Similar topics Replies Last post
Similar
Topics:
2 Need help in corretly solving this PS question... 4 11 Sep 2011, 19:22
1 PS question: need help 2 24 Oct 2010, 17:17
PS question: need help 2 23 Oct 2010, 01:55
1 Help needed on PS question 5 02 Jan 2010, 06:53
Need help solving ... PS questions 3 02 Nov 2009, 07:18
Display posts from previous: Sort by