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

It is currently 19 Nov 2019, 15:34

Close

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
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.

Close

Request Expert Reply

Confirm Cancel

Nurse Joe recorded the weights of each of the five babies born yesterd

  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:

Hide Tags

Find Similar Topics 
Manager
Manager
avatar
G
Joined: 23 Feb 2017
Posts: 58
GMAT ToolKit User Reviews Badge
Nurse Joe recorded the weights of each of the five babies born yesterd  [#permalink]

Show Tags

New post 12 Jan 2018, 19:43
00:00
A
B
C
D
E

Difficulty:

  25% (medium)

Question Stats:

77% (01:43) correct 23% (01:32) wrong based on 40 sessions

HideShow timer Statistics

Nurse Joe recorded the weights of each of the five babies born yesterday. What is the arithmetic mean of the weights of the five babies?
(1) The cumulative weight of the first three babies was 21 pounds.
(2) The cumulative weight of the last three babies was 24 pounds.

_________________
+1 Kudos if you find it helpful.
Math Expert
avatar
V
Joined: 02 Aug 2009
Posts: 8195
Re: Nurse Joe recorded the weights of each of the five babies born yesterd  [#permalink]

Show Tags

New post 12 Jan 2018, 20:12
mandeey wrote:
Nurse Joe recorded the weights of each of the five babies born yesterday. What is the arithmetic mean of the weights of the five babies?
(1) The cumulative weight of the first three babies was 21 pounds.
(2) The cumulative weight of the last three babies was 24 pounds.



Many Q are on these lines..
a,b,c,d,e..
We are looking for a+b+c+d+e/5
1) a+b+c=21..
Nothing about d and e
Insufficient
2) c+d+e=24
Nothing about a and c
Insufficient..

Combined..
a+b+c+c+d+e=21+24=45...
But c is added twice and we don't know the individual weight.
Insufficient
E
_________________
GMAT Club Bot
Re: Nurse Joe recorded the weights of each of the five babies born yesterd   [#permalink] 12 Jan 2018, 20:12
Display posts from previous: Sort by

Nurse Joe recorded the weights of each of the five babies born yesterd

  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics  





Powered by phpBB © phpBB Group | Emoji artwork provided by EmojiOne