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E. Statements (1) and (2) TOGETHER are NOT sufficient.

(1) Every member who attends yoga sessions also attends at least one other type of session:
That other session could be strength training or not, we don't know. So not sufficient.
(2) Every member who attends yoga sessions also attends strength training sessions:
In this case, let's say the number of people who attend yoga is y and s for strength training.
Then y can be equal to s or a subset of s. So, we do not know the number of people who do strength training & yoga
Hence, y = s or y ⊆ s indicating y < s. Not sufficient.
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E. Statements (1) and (2) TOGETHER are NOT sufficient.

(1) Every member who attends yoga sessions also attends at least one other type of session:
That other session could be strength training or not, we don't know. So not sufficient.
(2) Every member who attends yoga sessions also attends strength training sessions:
In this case, let's say the number of people who attend yoga is y and s for strength training.
Then y can be equal to s or a subset of s. So, we do not know the number of people who do strength training & yoga
Hence, y = s or y ⊆ s indicating y < s. Not sufficient.
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Is the number of members who attend yoga sessions (Y) greater than the number who attend strength training sessions (S)?
We are asked: Is Y>S Y > S Y>S ?

Statement (1):
Every member who attends yoga sessions also attends at least one other type of session.

This tells us that no one attends only yoga.
But it doesn't tell us anything about the number of yoga or strength training attendees, or their overlap.
For example, all 180 could attend yoga and something else, or only 1 person could attend yoga and also something else.
We have no information about the number who attend strength training.

Statement (1) alone is NOT sufficient.

Statement (2):
Every member who attends yoga sessions also attends strength training sessions.

This means: All yoga attendees are a subset of strength training attendees.
So, Y≤S .
The question is: Is Y>S With this, the answer is NO (because Y cannot be greater than S).
So, statement (2) is sufficient to answer the question.


Since statement (2) alone is sufficient, we do not need to consider both together.

Final Answer
Statement (2) alone is sufficient, but statement (1) alone is not sufficient.
(B)
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1. consider 50 goes for yoga.. out of this 50, 40 goes training.. remaining 10 do other activity & remaining 130 do neither.. YES
Now, if out of this 130, 20 do training, then total training will be 60...No....INSUFFICIENT

2. If all who do yoga also do training, then yoga will be equal or less than training & never greater. SUFFICIENT

Ans B
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Out of 180 gym members, is the number of members who attend yoga sessions greater than the number who attend strength training sessions?
Y>S?

(1) Every member who attends yoga sessions also attends at least one other type of session.
Insufficient, then number of people who attended yoga session could be equal or less than people who attended strength training session. Also, there is no specific information about strength training

(2) Every member who attends yoga sessions also attends strength training sessions.
Insufficient, then number of people who attended yoga session could be equal or less than people who attended strength training session

(1)&(2) together are also insufficient to answer the question

E
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We are asked whether the number of members attending yoga (Y) is greater than the number attending strength training (S) in a gym of 180 members.
Statement (1): Every member who attends yoga also attends at least one other type of session.
This tells us that all yoga attendees are also in at least one other session, but it does not specify that this other session is strength training. Therefore, we cannot determine the relationship between Y and S. Insufficient.
Statement (2): Every member who attends yoga also attends strength training.
This means that every yoga attendee is also a strength training attendee. Therefore, Y is a subset of S, which implies Y ≤ S. Thus, Y cannot be greater than S. This is sufficient to answer the question (the answer is no).
Since statement (2) alone is sufficient, but statement (1) alone is not, the answer is B.
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Statement (1):
This tells us:
  • No one attends only yoga.
  • But we don’t know what "other type" of session they attend — it could be strength training, cardio, etc.
So the yoga attendees overlap with some other group, but we don’t know how many are in strength training or how many total attend yoga.
So, Statement (1) alone is insufficient.

Statement (2):
So, Y ≤ S
We’re being asked: Is Y > S?
The answer to the question is "No".
So, Statement (2) alone is sufficient.

Answer B
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Bunuel
Out of 180 gym members, is the number of members who attend yoga sessions greater than the number who attend strength training sessions?

(1) Every member who attends yoga sessions also attends at least one other type of session.
(2) Every member who attends yoga sessions also attends strength training sessions.


 


This question was provided by GMAT Club
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Statement 1 tells us that nobody only attends yoga only ,but the other session can be anything cardio , zumba etc. So 1 is not sufficient
Statement 2 tell us that all yoga attendees are a subset of strength attendees . Qs is If Y>S ? but through this statement Y can be less than or equal to S , so Statement 2 is Enough , So B
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Ans: B
explanation
statement ii has yoga attendees as well as strength training from this yoga<= strength training attendees hence, it is sufficient
i is insufficient because it only has yoga attendees from this we r unable to find the value
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Bunuel
Out of 180 gym members, is the number of members who attend yoga sessions greater than the number who attend strength training sessions?

(1) Every member who attends yoga sessions also attends at least one other type of session.
(2) Every member who attends yoga sessions also attends strength training sessions.


 


This question was provided by GMAT Club
for the GMAT Club Olympics Competition

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(1) We don't know the number of sessions that the gym conducts. Let's assume the Gym has three sessions

Yoga, Strength Training and Dance.

Possibility 1: Yoga : all 180 attend ; ST : 30 of 180 and dance : all 180. In this case Y > ST. The answer is yes.
Possibility 2 : Yoga : 30 of 180 ; ST : all 180 and dance : 30 of 180 (all the Yoga ones). In this case Y < ST. The answer is No.

No sufficient.



(2) If Every member who attends yoga sessions also attends strength training sessions., then the number of Yoga cannot be more than the number of strength training. The answer is always no.

This statement alone is sufficient to yield the an answer to the question asked.

Option B is my answer.
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Cond 1: We don't know what other projects are, so the conditions aren't enough to tell if YOGA is better than strength training.

Cond 2: It means YOGA is all included in strength training. You can draw a pic to see, conditions are enough.





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IMO should be B

it seems a simple question, since only option B denotes that yoga members will always be a subset of the strength training group. It cold be equal or lesser but never greater.
Bunuel
Out of 180 gym members, is the number of members who attend yoga sessions greater than the number who attend strength training sessions?

(1) Every member who attends yoga sessions also attends at least one other type of session.
(2) Every member who attends yoga sessions also attends strength training sessions.


 


This question was provided by GMAT Club
for the GMAT Club Olympics Competition

Win over $30,000 in prizes such as Courses, Tests, Private Tutoring, and more

 

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Solution:

Let the no. of yoga sessions = Y and No. of strength sessions = S

Is Y > S?

(1) Every member who attends yoga sessions also attends at least one other type of session.

Insufficient

(2) Every member who attends yoga sessions also attends strength training sessions.

Insufficient

By combining both sessions, we get the answer. So, C is the correct one.
Bunuel
Out of 180 gym members, is the number of members who attend yoga sessions greater than the number who attend strength training sessions?

(1) Every member who attends yoga sessions also attends at least one other type of session.
(2) Every member who attends yoga sessions also attends strength training sessions.


 


This question was provided by GMAT Club
for the GMAT Club Olympics Competition

Win over $30,000 in prizes such as Courses, Tests, Private Tutoring, and more

 

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All yoga members attend strength training sessions, which includes first point where it states that all yoga members attend one or other type of session. There is no clear indication of more yoga members , hence both the statements are not clear whether there is more yoga members than strength training members or not. Hence point E is the answer.
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Bunuel
Out of 180 gym members, is the number of members who attend yoga sessions greater than the number who attend strength training sessions?

(1) Every member who attends yoga sessions also attends at least one other type of session.
(2) Every member who attends yoga sessions also attends strength training sessions.


 


This question was provided by GMAT Club
for the GMAT Club Olympics Competition

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In conclusion we need the following:
Are there any hints that are usable to know, that there is at least one more person that is doing strength training?

(1) We know, that all people that attend yoga, also attend at least one other type of session.
That means, that they could possibly all visit the Strength training. But we dont know. Because "at least" does not mean "more".

Not sufficient.

(2) does not hint any informations about the possibility, that there are actually MORE people that attend the strength sessions.

Therefore: E
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Bunuel
Out of 180 gym members, is the number of members who attend yoga sessions greater than the number who attend strength training sessions?

(1) Every member who attends yoga sessions also attends at least one other type of session.
(2) Every member who attends yoga sessions also attends strength training sessions.


 


This question was provided by GMAT Club
for the GMAT Club Olympics Competition

Win over $30,000 in prizes such as Courses, Tests, Private Tutoring, and more

 

asked: is member of yoga > member of strength training?

Let members of yoga class be y and strength training be s.

Statement 1:
y = some other class. => No sure answer hence B,C,E

Statment 2:
y <=(less than or equals to) s, since if all the members of yoga attend strength training then the number can only be equal or less. Hence always NO. Therefore sufficient.
Hence answer B.
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According to me:

Out of 180 gym members, is the number of members who attend yoga sessions greater than the number who attend strength training sessions?

(1) Every member who attends yoga sessions also attends at least one other type of session.
(2) Every member who attends yoga sessions also attends strength training sessions.

Statement 1: Doesnot provide any information on the strength training session count- Not enough
Statement 2: Yoga session members can be equal or greater to strength training session members in this case-Not enough since we cannot reach a definite conclusion

Combining both: We cannot conclude on whether Yoga sessions is greater or equal to strength since information is not giving any definite conclusion, Additionally the question doesnot mention the other sessions which the gym might be having

Hence answer E
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