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

 It is currently 21 Nov 2018, 06:31

# LBS is Calling R1 Admits - Join Chat Room to Catch the Latest Action

### 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 November
PrevNext
SuMoTuWeThFrSa
28293031123
45678910
11121314151617
18192021222324
2526272829301
Open Detailed Calendar
• ### All GMAT Club Tests are Free and open on November 22nd in celebration of Thanksgiving Day!

November 22, 2018

November 22, 2018

10:00 PM PST

11:00 PM PST

Mark your calendars - All GMAT Club Tests are free and open November 22nd to celebrate Thanksgiving Day! Access will be available from 0:01 AM to 11:59 PM, Pacific Time (USA)
• ### Key Strategies to Master GMAT SC

November 24, 2018

November 24, 2018

07:00 AM PST

09:00 AM PST

Attend this webinar to learn how to leverage Meaning and Logic to solve the most challenging Sentence Correction Questions.

# Three identical balls are stacked vertically inside a circular cylindr

Author Message
TAGS:

### Hide Tags

Math Expert
Joined: 02 Sep 2009
Posts: 50730
Three identical balls are stacked vertically inside a circular cylindr  [#permalink]

### Show Tags

08 Dec 2017, 02:49
00:00

Difficulty:

35% (medium)

Question Stats:

70% (01:26) correct 30% (00:59) wrong based on 35 sessions

### HideShow timer Statistics

Three identical balls are stacked vertically inside a circular cylindrical can so that the balls are tangent to each other and to the surface of the can, as shown above. What is the volume of the inside of the can, in cubic inches, if the radius of each ball is 2 inches?

(A) 24π
(B) 36π
(C) 48π
(D) 64π
(E) 96π

Attachment:

2017-12-08_1441_002.png [ 2.72 KiB | Viewed 475 times ]

_________________
Manager
Joined: 24 Nov 2016
Posts: 152
Re: Three identical balls are stacked vertically inside a circular cylindr  [#permalink]

### Show Tags

08 Dec 2017, 05:07
Bunuel wrote:

Three identical balls are stacked vertically inside a circular cylindrical can so that the balls are tangent to each other and to the surface of the can, as shown above. What is the volume of the inside of the can, in cubic inches, if the radius of each ball is 2 inches?

(A) 24π
(B) 36π
(C) 48π
(D) 64π
(E) 96π

Attachment:
2017-12-08_1441_002.png

Height of cylinder = Sum of the diameter of all balls = 4*3 = 12 inches
Volume of cylinder = $$πr^2h=π(2)^2*12=π48$$

Intern
Joined: 30 Sep 2017
Posts: 38
Location: India
Concentration: Entrepreneurship, General Management
Schools: IIM Udaipur '17
GMAT 1: 700 Q50 V37
GPA: 3.7
WE: Engineering (Energy and Utilities)
Re: Three identical balls are stacked vertically inside a circular cylindr  [#permalink]

### Show Tags

08 Dec 2017, 06:29
As the balls are touching each other, Height of cylinder = Sum of the diameter of all balls = 4*3 = 12 inches
Volume of cylinder = pi*r*r*h = 48pi
_________________

If you like my post, motivate me by giving kudos...

Re: Three identical balls are stacked vertically inside a circular cylindr &nbs [#permalink] 08 Dec 2017, 06:29
Display posts from previous: Sort by