It is currently 22 Mar 2018, 20:05

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 June
Open Detailed Calendar

How many zeros are the end of ?

Author Message
TAGS:

Hide Tags

Senior Manager
Joined: 03 Sep 2012
Posts: 392
Location: United States
Concentration: Healthcare, Strategy
GMAT 1: 730 Q48 V42
GPA: 3.88
WE: Medicine and Health (Health Care)
How many zeros are the end of ? [#permalink]

Show Tags

15 Nov 2012, 07:23
14
This post was
BOOKMARKED
00:00

Difficulty:

15% (low)

Question Stats:

73% (00:51) correct 27% (00:46) wrong based on 1096 sessions

HideShow timer Statistics

How many zeros are at the end of 380! ?

(A) 90
(B) 91
(C) 94
(D) None
(E) 95

[Reveal] Spoiler:
In order to find the number of zeros we have to find out the number of 5's and 2's , because no. of 5's will be less then the number of 2's ..
[Reveal] Spoiler: OA

_________________

"When you want to succeed as bad as you want to breathe, then you’ll be successful.” - Eric Thomas

Math Expert
Joined: 02 Sep 2009
Posts: 44400
How many zeros are the end of ? [#permalink]

Show Tags

15 Nov 2012, 07:41
3
KUDOS
Expert's post
7
This post was
BOOKMARKED
Manager
Joined: 21 Jul 2017
Posts: 96
Location: India
GMAT 1: 650 Q47 V33
GPA: 4
Re: How many zeros are the end of ? [#permalink]

Show Tags

10 Sep 2017, 05:25
380/5 = 76

76/5= 15

15/5= 3

Sum of these quotients. Answer C
Intern
Joined: 26 Dec 2016
Posts: 28
Re: How many zeros are the end of ? [#permalink]

Show Tags

13 Jan 2018, 15:47
Math Expert
Joined: 02 Sep 2009
Posts: 44400
Re: How many zeros are the end of ? [#permalink]

Show Tags

13 Jan 2018, 15:57
Board of Directors
Status: QA & VA Forum Moderator
Joined: 11 Jun 2011
Posts: 3366
Location: India
GPA: 3.5
Re: How many zeros are the end of ? [#permalink]

Show Tags

14 Jan 2018, 09:25
vomhorizon wrote:
How many zeros are at the end of 380! ?

(A) 90
(B) 91
(C) 94
(D) None
(E) 95

[Reveal] Spoiler:
In order to find the number of zeros we have to find out the number of 5's and 2's , because no. of 5's will be less then the number of 2's ..

$$\frac{380}{5} = 76$$
$$\frac{76}{5} = 15$$
$$\frac{15}{5} = 3$$

So, the total number of 0's in the end of 380! is 76+15+ 3 = 94 , answer will be (C)
_________________

Thanks and Regards

Abhishek....

PLEASE FOLLOW THE RULES FOR POSTING IN QA AND VA FORUM AND USE SEARCH FUNCTION BEFORE POSTING NEW QUESTIONS

How to use Search Function in GMAT Club | Rules for Posting in QA forum | Writing Mathematical Formulas |Rules for Posting in VA forum | Request Expert's Reply ( VA Forum Only )

Re: How many zeros are the end of ?   [#permalink] 14 Jan 2018, 09:25
Display posts from previous: Sort by