GMAT Question of the Day - Daily to your Mailbox; hard ones only

 It is currently 25 May 2019, 21:31

### 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

# Some milk was added to each of the 5 cans.

Author Message
Senior Manager
Joined: 17 Oct 2016
Posts: 260
Location: India
Concentration: General Management, Healthcare
GMAT 1: 640 Q40 V38
GMAT 2: 680 Q48 V35
GPA: 3.05
WE: Pharmaceuticals (Health Care)

### Show Tags

13 Aug 2017, 03:47
4
1
00:00

Difficulty:

55% (hard)

Question Stats:

45% (01:18) correct 55% (01:21) wrong based on 22 sessions

### HideShow timer Statistics

Some milk was added to each of the 5 cans. If standard deviation of the quantity of milk in the 5 cans at the beginning was 3.5 liters, what was the standard deviation of the quantity of milk in the 5 cans at the end?

(1) In each can, 20% of existing amount of milk was added.

(2) The average volume of milk in the cans at the end was 25 liters.

--== Message from the GMAT Club Team ==--

THERE IS LIKELY A BETTER DISCUSSION OF THIS EXACT QUESTION.
This discussion does not meet community quality standards. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

To review the GMAT Club's Forums Posting Guidelines, please follow these links: Quantitative | Verbal Please note - we may remove posts that do not follow our posting guidelines. Thank you.

_________________
_____________________
Chasing the dragon
Manager
Joined: 17 May 2015
Posts: 249
Re: Some milk was added to each of the 5 cans.  [#permalink]

### Show Tags

13 Aug 2017, 23:46
fitzpratik wrote:
Some milk was added to each of the 5 cans. If standard deviation of the quantity of milk in the 5 cans at the beginning was 3.5 liters, what was the standard deviation of the quantity of milk in the 5 cans at the end?

(1) In each can, 20% of existing amount of milk was added.

(2) The average volume of milk in the cans at the end was 25 liters.

Similar question:

during-an-experiment-some-water-was-removed-from-each-of-94166.html

Thanks.

--== Message from the GMAT Club Team ==--

THERE IS LIKELY A BETTER DISCUSSION OF THIS EXACT QUESTION.
This discussion does not meet community quality standards. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

To review the GMAT Club's Forums Posting Guidelines, please follow these links: Quantitative | Verbal Please note - we may remove posts that do not follow our posting guidelines. Thank you.
Non-Human User
Joined: 09 Sep 2013
Posts: 11018
Re: Some milk was added to each of the 5 cans.  [#permalink]

### Show Tags

22 Apr 2019, 03:00
Hello from the GMAT Club BumpBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.
_________________
Re: Some milk was added to each of the 5 cans.   [#permalink] 22 Apr 2019, 03:00
Display posts from previous: Sort by