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.

It appears that you are browsing the GMAT Club forum unregistered!

Signing up is free, quick, and confidential.
Join other 500,000 members and get the full benefits of GMAT Club

Registration gives you:

Tests

Take 11 tests and quizzes from GMAT Club and leading GMAT prep companies such as Manhattan GMAT,
Knewton, and others. All are free for GMAT Club members.

Applicant Stats

View detailed applicant stats such as GPA, GMAT score, work experience, location, application
status, and more

Books/Downloads

Download thousands of study notes,
question collections, GMAT Club’s
Grammar and Math books.
All are free!

Thank you for using the timer!
We noticed you are actually not timing your practice. Click the START button first next time you use the timer.
There are many benefits to timing your practice, including:

Last year the 5 employees of company x took an average of 16 vacations [#permalink]

Show Tags

17 Mar 2011, 19:03

00:00

A

B

C

D

E

Difficulty:

35% (medium)

Question Stats:

77% (01:49) correct
23% (00:46) wrong based on 22 sessions

HideShow timer Statistics

Last year the 5 employees of company x took an average of 16 vacations days each.what was the average no of vacations taken by the same employees this year?

1. 3 employees had a 50% increase in their no of vacation days and 2 employees had a 50% decrease. 2. 3 employees had 10 more vacation days each and 2 employees had 5 fewer vacation days each.

Re: Last year the 5 employees of company x took an average of 16 vacations [#permalink]

Show Tags

17 Mar 2011, 19:23

We know the total days taken last year is 16x5=80. We must find the new total days now.

(1) is not enough as we have no information as to how many vacation days were taken by the 3 that had an increase or the 2 that had a decrease. Don't be misled by the average being 16 and assume that they all took 16. As we dont know, we dont know what absolute number effect these changes will have, and this question is all about absolute numbers.

(2) This is better, we have absolute numbers. If as you say the OA is B, then there is clearly a typo either on your behalf or theirs as we are only told about 4 employees' absolute change and nothing of the 5th. For the answer to be B, one of the "2's" has to be a "3".

Assuming it is written correctly, then we have to consider C before E. We see that for those that increased to be a "50% increase", the two must have gone from 20->30, and the other two from 10->5 for it to be a 50% decrease. Therefore the remaining worker started with (80-20-20-10-10=)20 days, and increased 50% (as 3 workers increased) to 30, and so the answer is (C).

Re: Last year the 5 employees of company x took an average of 16 vacations [#permalink]

Show Tags

17 Mar 2011, 20:58

E1 + E2 + E3 + E4 + E5 = Total = 5*16 = 80

From (1), it's not clear which of the employees had the increase and decrease and without knowing the exact number of leaves taken by each employee, we can't increment it accurately.

From (2), regardless of any employee taking any number of leaves, It will be Total + 30 - 10 = 80 + 10 = 90

Hence the average this year = 90/5 = 18, so the answer is B. _________________

Formula of Life -> Achievement/Potential = k * Happiness (where k is a constant)

Re: Last year the 5 employees of company x took an average of 16 vacations [#permalink]

Show Tags

17 Mar 2011, 21:13

Yes, OP msged me that there was in fact a typo on his behalf, which he has now edited, and so it is (B). It was a more interesting question though WITH the typo.

This is the kickoff for my 2016-2017 application season. After a summer of introspect and debate I have decided to relaunch my b-school application journey. Why would anyone want...

Check out this awesome article about Anderson on Poets Quants, http://poetsandquants.com/2015/01/02/uclas-anderson-school-morphs-into-a-friendly-tech-hub/ . Anderson is a great place! Sorry for the lack of updates recently. I...

Time is a weird concept. It can stretch for seemingly forever (like when you are watching the “Time to destination” clock mid-flight) and it can compress and...