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

 It is currently 17 Oct 2019, 19:14 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

Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.  The average weight of a class of 40 students is 40 kg. If the weight o

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

Hide Tags

Math Expert V
Joined: 02 Sep 2009
Posts: 58402
The average weight of a class of 40 students is 40 kg. If the weight o  [#permalink]

Show Tags 00:00

Difficulty:   15% (low)

Question Stats: 78% (01:28) correct 22% (01:07) wrong based on 36 sessions

HideShow timer Statistics

The average weight of a class of 40 students is 40 kg. If the weight of the teacher is included, the average weight increases by 500 gms. The weight of the teacher is :

A. 40.5 kg
B. 60 kg
C. 60.5 kg
D. 62 kg
E. 64 kg

_________________
Manager  S
Joined: 13 Oct 2018
Posts: 85
Location: India
GPA: 3.1
WE: Information Technology (Computer Software)
Re: The average weight of a class of 40 students is 40 kg. If the weight o  [#permalink]

Show Tags

addtion to average by teacher = 500 gms = .5 kg

So teacher's weight = 40+40*.5

= 60 kg

Posted from my mobile device
_________________
Ankit
GMAT is tough so I am ...
Giving Kudos is the best way to encourage and appreciate people
GMAT Club Legend  D
Joined: 18 Aug 2017
Posts: 5014
Location: India
Concentration: Sustainability, Marketing
GPA: 4
WE: Marketing (Energy and Utilities)
Re: The average weight of a class of 40 students is 40 kg. If the weight o  [#permalink]

Show Tags

Bunuel wrote:
The average weight of a class of 40 students is 40 kg. If the weight of the teacher is included, the average weight increases by 500 gms. The weight of the teacher is :

A. 40.5 kg
B. 60 kg
C. 60.5 kg
D. 62 kg
E. 64 kg

weight of class = 1600
1600+x = 40.5 * 41
x= 60.5
IMO C
Target Test Prep Representative D
Status: Founder & CEO
Affiliations: Target Test Prep
Joined: 14 Oct 2015
Posts: 8086
Location: United States (CA)
Re: The average weight of a class of 40 students is 40 kg. If the weight o  [#permalink]

Show Tags

1
Bunuel wrote:
The average weight of a class of 40 students is 40 kg. If the weight of the teacher is included, the average weight increases by 500 gms. The weight of the teacher is :

A. 40.5 kg
B. 60 kg
C. 60.5 kg
D. 62 kg
E. 64 kg

Since 500 g = 0.5 kg and if we let T = the teacher’s weight, we can create the equation:

(40 x 40 + T)/41 = 40 + 0.5

(1600 + T)/41 = 40.5

1600 + T = 1660.5

T = 60.5

_________________

Scott Woodbury-Stewart

Founder and CEO

Scott@TargetTestPrep.com

See why Target Test Prep is the top rated GMAT quant course on GMAT Club. Read Our Reviews

If you find one of my posts helpful, please take a moment to click on the "Kudos" button. Re: The average weight of a class of 40 students is 40 kg. If the weight o   [#permalink] 24 Feb 2019, 06:52
Display posts from previous: Sort by

The average weight of a class of 40 students is 40 kg. If the weight o

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

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