Check GMAT Club Decision Tracker for the Latest School Decision Releases https://gmatclub.com/AppTrack

 It is currently 28 May 2017, 20:40

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

The 19th of September 1987 was a Saturday. If 1988 was a

Author Message
TAGS:

Hide Tags

Senior Manager
Status: D-Day is on February 10th. and I am not stressed
Affiliations: American Management association, American Association of financial accountants
Joined: 12 Apr 2011
Posts: 266
Location: Kuwait
Schools: Columbia university
Followers: 5

Kudos [?]: 307 [4] , given: 52

The 19th of September 1987 was a Saturday. If 1988 was a [#permalink]

Show Tags

23 Jan 2012, 14:37
4
KUDOS
4
This post was
BOOKMARKED
00:00

Difficulty:

55% (hard)

Question Stats:

53% (01:38) correct 47% (00:42) wrong based on 213 sessions

HideShow timer Statistics

The 19th of September 1987 was a Saturday. If 1988 was a leap-year, what day of the week was the 21st of September 1990?

A. Monday
B. Tuesday
C. Wednesday
D. Thursday
E. Friday
[Reveal] Spoiler: OA

_________________

Sky is the limit

Math Expert
Joined: 02 Sep 2009
Posts: 39037
Followers: 7750

Kudos [?]: 106483 [8] , given: 11626

Re: The 19th of September [#permalink]

Show Tags

23 Jan 2012, 17:10
8
KUDOS
Expert's post
4
This post was
BOOKMARKED
manalq8 wrote:
The 19th of September 1987 was a Saturday. If 1988 was a leap-year, what day of the week was the 21st of September 1990?

A. Monday
B. Tuesday
C. Wednesday
D. Thursday
E. Friday

There are 365 days in an ordinary year and 366 days in a leap-year.

365 divided by 7 (a week period) yields a remainder of 1, thus the same date after an ordinary year would fall on the next day of a week;

366 divided by 7 (a week period) yields a remainder of 2, thus the same date after a leap-year would fall two days after in a week;

Thus 3 years, 1988, 1989 and 1990, will accumulate 2+1+1=4 days, plus 2 days of difference between 19th and 21st, which gives total of 6 days of difference (6 days shift). Thus, 21st of September 1990 was Saturday+6 days=Friday.

_________________
GMAT Club Legend
Joined: 09 Sep 2013
Posts: 15503
Followers: 651

Kudos [?]: 210 [0], given: 0

Re: The 19th of September 1987 was a Saturday. If 1988 was a [#permalink]

Show Tags

06 Nov 2013, 11:50
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.
_________________
SVP
Status: The Best Or Nothing
Joined: 27 Dec 2012
Posts: 1857
Location: India
Concentration: General Management, Technology
WE: Information Technology (Computer Software)
Followers: 51

Kudos [?]: 2181 [2] , given: 193

Re: The 19th of September 1987 was a Saturday. If 1988 was a [#permalink]

Show Tags

07 Mar 2014, 03:26
2
KUDOS
1 day forward in regular years; 2 days in leap year

_________________

Kindly press "+1 Kudos" to appreciate

Current Student
Joined: 21 Oct 2013
Posts: 193
Location: Germany
GMAT 1: 660 Q45 V36
GPA: 3.51
Followers: 1

Kudos [?]: 40 [0], given: 19

Re: The 19th of September 1987 was a Saturday. If 1988 was a [#permalink]

Show Tags

30 Jul 2014, 00:38
19th September
1987: Saturday
1988: Monday (due to leap year)
1989: Tuesday
1990: Wednesday

Hence 21st September = Friday. Ans. E
GMAT Club Legend
Joined: 09 Sep 2013
Posts: 15503
Followers: 651

Kudos [?]: 210 [0], given: 0

Re: The 19th of September 1987 was a Saturday. If 1988 was a [#permalink]

Show Tags

02 Aug 2015, 17:35
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.
_________________
GMAT Club Legend
Joined: 09 Sep 2013
Posts: 15503
Followers: 651

Kudos [?]: 210 [0], given: 0

Re: The 19th of September 1987 was a Saturday. If 1988 was a [#permalink]

Show Tags

17 Oct 2016, 21:17
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: The 19th of September 1987 was a Saturday. If 1988 was a   [#permalink] 17 Oct 2016, 21:17
Similar topics Replies Last post
Similar
Topics:
On Saturday, the original price of a shirt was discounted by 20%. On 4 16 Feb 2016, 20:15
4 On a Saturday night, each of the rooms at a certain motel was rented 2 26 Nov 2016, 00:47
3 Attendance at a library for Saturday and Sunday combined 5 04 Dec 2015, 19:08
11 On Saturday morning, Malachi will begin a camping vacation 12 12 Apr 2017, 12:10
4 On Saturday morning, Malachi will begin a camping vacation a 4 12 Jan 2014, 05:18
Display posts from previous: Sort by