Last visit was: 25 Apr 2024, 01:07 It is currently 25 Apr 2024, 01:07

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
SORT BY:
Kudos
Tags:
Show Tags
Hide Tags
Retired Moderator
Joined: 22 Aug 2013
Posts: 1186
Own Kudos [?]: 2499 [3]
Given Kudos: 459
Location: India
Send PM
Senior PS Moderator
Joined: 26 Feb 2016
Posts: 2873
Own Kudos [?]: 5205 [1]
Given Kudos: 47
Location: India
GPA: 3.12
Send PM
Retired Moderator
Joined: 25 Feb 2013
Posts: 895
Own Kudos [?]: 1527 [1]
Given Kudos: 54
Location: India
GPA: 3.82
Send PM
Intern
Intern
Joined: 26 Sep 2016
Posts: 33
Own Kudos [?]: 101 [0]
Given Kudos: 87
Send PM
Exactly 71 people are standing in a single queue [#permalink]
St 1 is not sufficient as we don't know whether Mary is in front of or behind Daniel in the queue.
St 2 is sufficient as we can set an equation using : x+18 people in front of Mary, x people behind Mary
In total there will be x+18+Mary+x = 71
2x=71-19 ,
x=26 , so there are 26+18 people are in front of Mary
Manager
Manager
Joined: 23 Sep 2016
Posts: 185
Own Kudos [?]: 323 [0]
Given Kudos: 29
Send PM
Re: Exactly 71 people are standing in a single queue [#permalink]
amanvermagmat wrote:
Exactly 71 people are standing in a single queue outside a store on black Friday. If these 71 people also include Daniel and Maria, then how many people are standing in front of Maria in the queue?

(1) When counted from the back of the queue, Daniel is at 19th position and there are exactly 7 people between Daniel and Maria.

(2) The number of people in front of Maria in the queue are 18 more than the number of people behind Maria in the queue.

IMO B
statement 1 we don't know whether maria is in front or back of daniel.
statement 2 tell us exact place of maria by telling us number of people in front and back of her.
Intern
Intern
Joined: 16 Jan 2018
Posts: 11
Own Kudos [?]: 12 [0]
Given Kudos: 920
Location: Canada
Concentration: Strategy, General Management
GMAT 1: 630 Q48 V28
GPA: 3.5
Send PM
Re: Exactly 71 people are standing in a single queue [#permalink]
B.
1 states the position of Daniel, and the people between him and Maria but she may be in front of him or behind. Hence, not sufficient. BCE

2. This statement can lead to the exact location of Maria by establishing an equation between behind and front people. Hence, sufficient.


Sent from my [device_name] using [url]GMAT Club Forum mobile app[/url]
Math Expert
Joined: 02 Sep 2009
Posts: 92903
Own Kudos [?]: 618874 [0]
Given Kudos: 81588
Send PM
Re: Exactly 71 people are standing in a single queue [#permalink]
Expert Reply
amanvermagmat wrote:
Exactly 71 people are standing in a single queue outside a store on black Friday. If these 71 people also include Daniel and Maria, then how many people are standing in front of Maria in the queue?

(1) When counted from the back of the queue, Daniel is at 19th position and there are exactly 7 people between Daniel and Maria.

(2) The number of people in front of Maria in the queue are 18 more than the number of people behind Maria in the queue.


Similar questions:
https://gmatclub.com/forum/the-people-i ... 43447.html
https://gmatclub.com/forum/john-and-ter ... 34737.html
https://gmatclub.com/forum/charissa-and ... 32026.html
https://gmatclub.com/forum/jim-and-heat ... 91312.html
https://gmatclub.com/forum/esteban-is-i ... 89967.html
https://gmatclub.com/forum/bruce-john-l ... 35925.html
https://gmatclub.com/forum/there-are-n- ... 91876.html
https://gmatclub.com/forum/how-many-peo ... 18883.html
https://gmatclub.com/forum/tom-and-jack ... 16745.html
https://gmatclub.com/forum/exactly-n-pe ... 60340.html
https://gmatclub.com/forum/pam-and-ed-a ... 98651.html
https://gmatclub.com/forum/how-many-peo ... 02179.html
https://gmatclub.com/forum/how-many-peo ... 54868.html
User avatar
Non-Human User
Joined: 09 Sep 2013
Posts: 32662
Own Kudos [?]: 821 [0]
Given Kudos: 0
Send PM
Re: Exactly 71 people are standing in a single queue [#permalink]
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 Bot
Re: Exactly 71 people are standing in a single queue [#permalink]
Moderator:
Math Expert
92901 posts

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