Jun 18 09:00 PM EDT  10:00 PM EDT Strategies and techniques for approaching featured GMAT topics. Tuesday, June 18th at 9 pm ET Jun 18 10:00 PM PDT  11:00 PM PDT Send along your receipt from another course or book to info@empowergmat.com and EMPOWERgmat will give you 50% off the first month of access OR $50 off the 3 Month Plan Only available to new students Ends: June 18th Jun 19 10:00 PM PDT  11:00 PM PDT Join a FREE 1day workshop and learn how to ace the GMAT while keeping your fulltime job. Limited for the first 99 registrants. Jun 22 07:00 AM PDT  09:00 AM PDT Attend this webinar and master GMAT SC in 10 days by learning how meaning and logic can help you tackle 700+ level SC questions with ease. Jun 23 07:00 AM PDT  09:00 AM PDT Attend this webinar to learn a structured approach to solve 700+ Number Properties question in less than 2 minutes.
Author 
Message 
TAGS:

Hide Tags

Current Student
Joined: 11 Jul 2016
Posts: 24
Location: Thailand

According to a research of 1000 individuals, 70% of the people who wer
[#permalink]
Show Tags
13 Feb 2017, 21:26
Question Stats:
55% (02:44) correct 45% (02:47) wrong based on 954 sessions
HideShow timer Statistics
According to a research of 1000 individuals, 70% of the people who were part of Genco Slimming centre's weight loss program, lost an average of 4 pounds of weight in one month. However the same research also found that 80% of the people, who lost an average of 4 pounds of weight in that month, did not attend Genco Slimming centre's weight loss program.
Which of the following conclusions can most properly be drawn from the information above?A. The number of people who were part of Genco's weight loss program is greater than the number of people who lost an average of more than 4 pounds of weight in that month B. The people who did not join Genco's weight loss program and yet managed to lose an average of 4 pounds of weight in a month must have followed a very strict exercise regime of their own C.The number of people who did not join Genco's weight loss program and who lost less than an average of 4 pounds of weight in the month is lower than the number of people who attended Genco's weight loss program and lost less than an average of 4 pounds of weight D. The number of people who did not join Genco's weight loss program and who still managed to lose an average of more than 4 pounds of weight in that month is greater than the total number of people who joined Genco's weight loss program E.The chances of a person losing an average of more than 4 pounds of weight in one month are higher if the person does not join Genco's weight loss program
Official Answer and Stats are available only to registered users. Register/ Login.



Manager
Joined: 26 Jun 2013
Posts: 80
Location: India
Concentration: Strategy, International Business
GPA: 4
WE: Information Technology (Computer Software)

Re: According to a research of 1000 individuals, 70% of the people who wer
[#permalink]
Show Tags
14 Feb 2017, 06:43
ssr300 wrote: According to a research of 1000 individuals, 70% of the people who were part of Genco Slimming centre's weight loss program, lost an average of 4 pounds of weight in one month. However the same research also found that 80% of the people, who lost an average of 4 pounds of weight in that month, did not attend Genco Slimming centre's weight loss program.
Which of the following conclusions can most properly be drawn from the information above?
A. The number of people who were part of Genco's weight loss program is greater than the number of people who lost an average of more than 4 pounds of weight in that month
B. The people who did not join Genco's weight loss program and yet managed to lose an average of 4 pounds of weight in a month must have followed a very strict exercise regime of their own
C.The number of people who did not join Genco's weight loss program and who lost less than an average of 4 pounds of weight in the month is lower than the number of people who attended Genco's weight loss program and lost less than an average of 4 pounds of weight
D. The number of people who did not join Genco's weight loss program and who still managed to lose an average of more than 4 pounds of weight in that month is greater than the total number of people who joined Genco's weight loss program
E.The chances of a person losing an average of more than 4 pounds of weight in one month are higher if the person does not join Genco's weight loss program Let A = 70% of the people who joined weight loss program, lost avg of 4 pounds in that month. B = 80% of the people who lost an avg of 4 pounds in that month clearly A is subset of B. Therefore option D is true, The number of people who did not join Genco's weight loss program and who still managed to lose an average of more than 4 pounds of weight in that month is greater than the total number of people who joined Genco's weight loss program
_________________
Remember, if it is a GMAT question, it can be simplified elegantly.



Intern
Joined: 23 Nov 2013
Posts: 19

Re: According to a research of 1000 individuals, 70% of the people who wer
[#permalink]
Show Tags
18 Feb 2017, 06:21
Let x is the number of people who joined the Genco's weight loss program. Total number of people who joined the Genco's weight loss program and lost an average of 4 pounds of weight in one month = 0.7x Total number of people who did not join the Genco's weight loss program and lost an average of 4 pounds of weight in one month = (0.7*0.8/0.2) x = 2.8 x (clearly it's greater than x)
So option D



Manager
Joined: 14 Oct 2012
Posts: 162

According to a research of 1000 individuals, 70% of the people who wer
[#permalink]
Show Tags
Updated on: 27 Apr 2017, 21:28
Hello Experts, Abhishek009, mikemcgarry, msk0657, GMATNinja, dentobizz, Nightfury14, ziyuen, MacFauz, carcass, chetan2u, yezz, RaviChandra, GMATNinjaTwo, souvik101990, Gnpth, sallysea, Nevernevergiveup, Narenn, Divyadisha, DensetsuNo, daagh, ScottTargetTestPrep, daviddaviddavid, gauravraos, godot53, malevg, mvictor, sandaki, shekyonline, vitaliyGMATVeritasPrepKarishma, sayantanc2k, hotshot02, raghaw, IanStewartIn this question  this is what i did: # of people who are part of GSP  x 70% lost avg. of 4 pounds in month = 0.7x (question doesn't say anything about > 4 pounds but ideally i assume 50%) => 0.35x lost > 4 pounds in month # of people who lost 4 pounds in month = y 80% lost avg. of 4 pounds in month = 0.8y > 4 pounds => 0.4y I am not able to figure out how can we say 0.4y > 0.35x? We don't know what is the exact value of x and y. What am i missing, can someone please clarify? I also did this: lost 4 poundsNot lost 4 pounds Join GSP0.7x = 0.2yx Not Join GSP0.8y something y(1000y)1000 So, we can say that: 0.7x = 0.2y 7x = 2y x/y = 2/7 and y > x D. The number of people who did not join Genco's weight loss program and who still managed to lose an average of more than 4 pounds of weight in that month is greater than the total number of people who joined Genco's weight loss program But still as ans is D and question stem doesn't say ANYTHING ABOUT > 4 pounds a month HOW do we know that # of people who lost > 4 pounds without joining GSP is more than those who joined GSP?
Thanks



Manager
Joined: 14 Oct 2012
Posts: 162

Re: According to a research of 1000 individuals, 70% of the people who wer
[#permalink]
Show Tags
27 Apr 2017, 21:06
In this question  this is what i did: # of people who are part of GSP  x 70% lost avg. of 4 pounds in month = 0.7x (question doesn't say anything about > 4 pounds but ideally i assume 50%) => 0.35x lost > 4 pounds in month
# of people who lost 4 pounds in month = y 80% lost avg. of 4 pounds in month = 0.8y > 4 pounds => 0.4y
I am not able to figure out how can we say 0.4y > 0.35x? We don't know what is the exact value of x and y. What am i missing, can someone please clarify? Thanks



Intern
Joined: 12 Jan 2017
Posts: 40
Location: India
Concentration: Operations, Leadership

Re: According to a research of 1000 individuals, 70% of the people who wer
[#permalink]
Show Tags
27 Apr 2017, 23:20
manishtank1988 wrote: In this question  this is what i did: # of people who are part of GSP  x 70% lost avg. of 4 pounds in month = 0.7x (question doesn't say anything about > 4 pounds but ideally i assume 50%) => 0.35x lost > 4 pounds in month
# of people who lost 4 pounds in month = y 80% lost avg. of 4 pounds in month = 0.8y > 4 pounds => 0.4y
I am not able to figure out how can we say 0.4y > 0.35x? We don't know what is the exact value of x and y. What am i missing, can someone please clarify? Thanks # of people who are part of GSP  x 70% lost avg. of 4 pounds in month = 0.7x # of people who lost 4 pounds in month = y 80% lost avg. of 4 pounds in month = 0.8y , so remaing 0.2y lost weight through GSP,so 0.2y=0.7x you want to know how 0.4y > 0.35x. Use the above equation,what is 0.35x? it is 0.1y. So 0.4y>0.1y... Hope it helps



Manager
Joined: 14 Oct 2012
Posts: 162

Re: According to a research of 1000 individuals, 70% of the people who wer
[#permalink]
Show Tags
28 Apr 2017, 06:29
sandaki wrote: manishtank1988 wrote: In this question  this is what i did: # of people who are part of GSP  x 70% lost avg. of 4 pounds in month = 0.7x (question doesn't say anything about > 4 pounds but ideally i assume 50%) => 0.35x lost > 4 pounds in month
# of people who lost 4 pounds in month = y 80% lost avg. of 4 pounds in month = 0.8y > 4 pounds => 0.4y
I am not able to figure out how can we say 0.4y > 0.35x? We don't know what is the exact value of x and y. What am i missing, can someone please clarify? Thanks # of people who are part of GSP  x 70% lost avg. of 4 pounds in month = 0.7x # of people who lost 4 pounds in month = y 80% lost avg. of 4 pounds in month = 0.8y , so remaing 0.2y lost weight through GSP,so 0.2y=0.7x you want to know how 0.4y > 0.35x. Use the above equation,what is 0.35x? it is 0.1y. So 0.4y>0.1y... Hope it helps sandaki  First of all thanks for your response: Yes, i did notice that but, here, i am making an ASSUMPTION that 50% lost > 4 pounds and other 50% lost < 4 pounds. Again, this is NOT given to us anywhere in this problem. So it is very well possible that 0.1y > 0.7x (depending on the values of x & y eg y = 100 and x = 10 => 10 > 7 ) & (depending on the values of x & y eg y = 10 and x = 10 => 1 < 7). So this is the thing i don't understand. How can we say D or any option is correct? I hope i conveyed my confusion. Please let me know what you think!!!



Manager
Joined: 18 Mar 2015
Posts: 120
Location: India
GPA: 3.59

Re: According to a research of 1000 individuals, 70% of the people who wer
[#permalink]
Show Tags
06 Jul 2017, 21:27
manishtank1988 wrote: Hello Experts, But still as ans is D and question stem doesn't say ANYTHING ABOUT > 4 pounds a month HOW do we know that # of people who lost > 4 pounds without joining GSP is more than those who joined GSP? [/b][/i][/u] Thanks same confusion like MAnish's and so opted out D and choose B



Manager
Joined: 22 May 2017
Posts: 119

According to a research of 1000 individuals, 70% of the people who wer
[#permalink]
Show Tags
07 Jul 2017, 02:59
Analysis of data : Total = 1000 Assume x out of 1000 > lost avg weight of 4 pound in one month 80% of x > lost weight but did not attend weight loss program Remaning 20% of x > lost weight but attended the loss program = 70 % of (who attended the program and lost weight) [they are equal] Which of the following conclusions can most properly be drawn from the information above?A. The number of people who were part of Genco's weight loss program is greater than the number of people who lost an average of more than 4 pounds of weight in that month Don't know how many attended the weight loss program , only detail we have is how many lost weight who attended. Cannot conclude thisB. The people who did not join Genco's weight loss program and yet managed to lose an average of 4 pounds of weight in a month must have followed a very strict exercise regime of their own  cannot conclude they might have lose weight by following own diet plan or other factors. Hence cannot be drawn from the paragraph informationC.The number of people who did not join Genco's weight loss program and who lost less than an average of 4 pounds of weight in the month is lower than the number of people who attended Genco's weight loss program and lost less than an average of 4 pounds of weight we have no details regarding people who lost "less than average" .Passage only talks about "lost an average" So directly eliminate this optionD. The number of people who did not join Genco's weight loss program and who still managed to lose an average of more than 4 pounds of weight in that month is greater than the total number of people who joined Genco's weight loss program  conclusion can be drawn from data 80% of x > 20 % of x . CORRECTE.The chances of a person losing an average of more than 4 pounds of weight in one month are higher if the person does not join Genco's weight loss program  an average "more than 4 pounds" is not mentioned in passsage. Eliminate for same reason as CKudos please if explanation helped . Have a good day
_________________
Kudos please if explanation helped  Don't stop when you are tired , stop when you are DONE .



Senior Manager
Joined: 03 Apr 2013
Posts: 273
Location: India
Concentration: Marketing, Finance
GPA: 3

Re: According to a research of 1000 individuals, 70% of the people who wer
[#permalink]
Show Tags
21 Jul 2017, 05:35
akshata19 wrote: Analysis of data : Total = 1000 Assume x out of 1000 > lost avg weight of 4 pound in one month 80% of x > lost weight but did not attend weight loss program Remaning 20% of x > lost weight but attended the loss program = 70 % of (who attended the program and lost weight) [they are equal] Which of the following conclusions can most properly be drawn from the information above?A. The number of people who were part of Genco's weight loss program is greater than the number of people who lost an average of more than 4 pounds of weight in that month Don't know how many attended the weight loss program , only detail we have is how many lost weight who attended. Cannot conclude thisB. The people who did not join Genco's weight loss program and yet managed to lose an average of 4 pounds of weight in a month must have followed a very strict exercise regime of their own  cannot conclude they might have lose weight by following own diet plan or other factors. Hence cannot be drawn from the paragraph informationC.The number of people who did not join Genco's weight loss program and who lost less than an average of 4 pounds of weight in the month is lower than the number of people who attended Genco's weight loss program and lost less than an average of 4 pounds of weight we have no details regarding people who lost "less than average" .Passage only talks about "lost an average" So directly eliminate this optionD. The number of people who did not join Genco's weight loss program and who still managed to lose an average of more than 4 pounds of weight in that month is greater than the total number of people who joined Genco's weight loss program  conclusion can be drawn from data 80% of x > 20 % of x . CORRECTE.The chances of a person losing an average of more than 4 pounds of weight in one month are higher if the person does not join Genco's weight loss program  an average "more than 4 pounds" is not mentioned in passsage. Eliminate for same reason as CKudos please if explanation helped . Have a good day Hi akshata19I dont think you're right. See the text of the question below. According to a research of 1000 individuals, 70% of the people who were part of Genco Slimming centre's weight loss program, lost an average of 4 pounds of weight in one month. However the same research also found that 80% of the people, who LOST AN AVERAGE OF 4 POUNDS of weight in that month, did not attend Genco Slimming centre's weight loss program.It is nowhere mentioned that they lost more than average of 4 pounds of weight, which is written in D. IMHO, the question is either wrong, or incorrectly posted. mikemcgarry IanStewart, your help is appreciated.
_________________
Spread some love..Like = +1 Kudos



Manager
Joined: 19 Sep 2017
Posts: 130
Location: United Kingdom
GPA: 3.9
WE: Account Management (Other)

Re: According to a research of 1000 individuals, 70% of the people who wer
[#permalink]
Show Tags
27 Apr 2018, 07:13
ShashankDave wrote: akshata19 wrote: Analysis of data : Total = 1000 Assume x out of 1000 > lost avg weight of 4 pound in one month 80% of x > lost weight but did not attend weight loss program Remaning 20% of x > lost weight but attended the loss program = 70 % of (who attended the program and lost weight) [they are equal] Which of the following conclusions can most properly be drawn from the information above?A. The number of people who were part of Genco's weight loss program is greater than the number of people who lost an average of more than 4 pounds of weight in that month Don't know how many attended the weight loss program , only detail we have is how many lost weight who attended. Cannot conclude thisB. The people who did not join Genco's weight loss program and yet managed to lose an average of 4 pounds of weight in a month must have followed a very strict exercise regime of their own  cannot conclude they might have lose weight by following own diet plan or other factors. Hence cannot be drawn from the paragraph informationC.The number of people who did not join Genco's weight loss program and who lost less than an average of 4 pounds of weight in the month is lower than the number of people who attended Genco's weight loss program and lost less than an average of 4 pounds of weight we have no details regarding people who lost "less than average" .Passage only talks about "lost an average" So directly eliminate this optionD. The number of people who did not join Genco's weight loss program and who still managed to lose an average of more than 4 pounds of weight in that month is greater than the total number of people who joined Genco's weight loss program  conclusion can be drawn from data 80% of x > 20 % of x . CORRECTE.The chances of a person losing an average of more than 4 pounds of weight in one month are higher if the person does not join Genco's weight loss program  an average "more than 4 pounds" is not mentioned in passsage. Eliminate for same reason as CKudos please if explanation helped . Have a good day Hi akshata19I dont think you're right. See the text of the question below. According to a research of 1000 individuals, 70% of the people who were part of Genco Slimming centre's weight loss program, lost an average of 4 pounds of weight in one month. However the same research also found that 80% of the people, who LOST AN AVERAGE OF 4 POUNDS of weight in that month, did not attend Genco Slimming centre's weight loss program.It is nowhere mentioned that they lost more than average of 4 pounds of weight, which is written in D. IMHO, the question is either wrong, or incorrectly posted. mikemcgarry IanStewart, your help is appreciated. Presence of "more" in the answer choice got me confused and I rejected this answer choice. Does this happen in real GMAT test too?
_________________
Cheers!!
~If you do what's easy, your life will be hard. If you do what's hard, your life will be easy~



Intern
Joined: 11 Feb 2016
Posts: 13

Re: According to a research of 1000 individuals, 70% of the people who wer
[#permalink]
Show Tags
11 Jun 2018, 08:57
Jesus, I took 6 mins to go through all the answer choices in order to make sure D was the correct one.
Any way to solve this kind of Quant question disguised as CR questions faster?



Intern
Joined: 28 Sep 2016
Posts: 17

Re: According to a research of 1000 individuals, 70% of the people who wer
[#permalink]
Show Tags
13 Jun 2018, 12:53
Yes, I have to agree with other posters, the answers do not seem right.
Posted from my mobile device



Intern
Joined: 29 Aug 2017
Posts: 26

Re: According to a research of 1000 individuals, 70% of the people who wer
[#permalink]
Show Tags
15 Sep 2018, 00:57
I try to solve these questions by using the two table overlapping set method.
Program Lost avg 4 lbs. ( Didnt lose avg 4 lbs) TOTAL Genco 0.7X 0.3X X NonGenco 0.8Y (A) 1000X Total Y 1000Y 1000
So D) is saying is A>0.3X A=1000Y0.3X Therefore A>0.3X



Manager
Joined: 09 Oct 2015
Posts: 237

Re: According to a research of 1000 individuals, 70% of the people who wer
[#permalink]
Show Tags
15 Sep 2018, 01:43
akshata19 wrote: Analysis of data : Total = 1000 Assume x out of 1000 > lost avg weight of 4 pound in one month 80% of x > lost weight but did not attend weight loss program Remaning 20% of x > lost weight but attended the loss program = 70 % of (who attended the program and lost weight) [they are equal] Which of the following conclusions can most properly be drawn from the information above?A. The number of people who were part of Genco's weight loss program is greater than the number of people who lost an average of more than 4 pounds of weight in that month Don't know how many attended the weight loss program , only detail we have is how many lost weight who attended. Cannot conclude thisB. The people who did not join Genco's weight loss program and yet managed to lose an average of 4 pounds of weight in a month must have followed a very strict exercise regime of their own  cannot conclude they might have lose weight by following own diet plan or other factors. Hence cannot be drawn from the paragraph informationC.The number of people who did not join Genco's weight loss program and who lost less than an average of 4 pounds of weight in the month is lower than the number of people who attended Genco's weight loss program and lost less than an average of 4 pounds of weight we have no details regarding people who lost "less than average" .Passage only talks about "lost an average" So directly eliminate this optionD. The number of people who did not join Genco's weight loss program and who still managed to lose an average of more than 4 pounds of weight in that month is greater than the total number of people who joined Genco's weight loss program  conclusion can be drawn from data 80% of x > 20 % of x . CORRECTE.The chances of a person losing an average of more than 4 pounds of weight in one month are higher if the person does not join Genco's weight loss program  an average "more than 4 pounds" is not mentioned in passsage. Eliminate for same reason as CKudos please if explanation helped . Have a good day You'd need a slight modification in your calculations. 0.2 x is the number of people who lost weight and attended the program. However, the stem says "total number of people attending the program" hence you'd have to divide 0.2x by 0.7 to get the "number of people attending the program" Posted from my mobile device




Re: According to a research of 1000 individuals, 70% of the people who wer
[#permalink]
15 Sep 2018, 01:43






