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If u > t, r > q, s > t, and t > r, which of the following

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If u > t, r > q, s > t, and t > r, which of the following [#permalink]

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New post 05 Feb 2012, 16:15
3
2
00:00
A
B
C
D
E

Difficulty:

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Question Stats:

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If u > t, r> q, s > t, and t > r, which of the following must be true?

I. u > s
II. s > q
III. u > r

(A) I only
(B) II only
(C) III only
(D) I and II
(E) II and III
Spoiler: OA

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Re: if u > t, r > q, s > t, and t > r, which of the following [#permalink]

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New post 05 Feb 2012, 16:31
1
1
fiendex wrote:
If u > t, r > q, s > t, and t > r, which of the following must be true?

I. u > s
II. s > q
III. u > r

(A) I only
(B) II only
(C) III only
(D) I and II
(E) II and III


Arrange so that you have a string: \(u>t\), \(t>r\), \(r>q\) and \(s>t\) (this one do not fit so far).

So we have that: \(u>t>r>q\);

Next, as \(s>t\), then \(s\) can be more as well as less than \(u\), so the final ordering is either \(u>s>t>r>q\) or \(s>u>t>r>q\)

Hence, II and III are always true, but I may or may not be true.

Answer: E.

P.S. You can also use number line to mark the variables and visualize it.
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Collection of Questions:
PS: 1. Tough and Tricky questions; 2. Hard questions; 3. Hard questions part 2; 4. Standard deviation; 5. Tough Problem Solving Questions With Solutions; 6. Probability and Combinations Questions With Solutions; 7 Tough and tricky exponents and roots questions; 8 12 Easy Pieces (or not?); 9 Bakers' Dozen; 10 Algebra set. ,11 Mixed Questions, 12 Fresh Meat

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Re: if u > t, r > q, s > t, and t > r, which of the following [#permalink]

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New post 31 Oct 2012, 12:05
from the question we can establish
u - t > 0, r - q > 0, s - t > 0, and t - r > 0
(u - t) + (t -r ) >0 ==> u > r III holds
(r - q) +(t - r) > 0 ==> t > q Since s > t and t > q ==> s > q II holds
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If u > t, r > q, s > t, and t > r, which of the following [#permalink]

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New post 23 Feb 2018, 11:33
Bunuel wrote:
fiendex wrote:
If u > t, r > q, s > t, and t > r, which of the following must be true?

I. u > s
II. s > q
III. u > r

(A) I only
(B) II only
(C) III only
(D) I and II
(E) II and III


Arrange so that you have a string: \(u>t\), \(t>r\), \(r>q\) and \(s>t\) (this one do not fit so far).

So we have that: \(u>t>r>q\);

Next, as \(s>t\), then \(s\) can be more as well as less than \(u\), so the final ordering is either \(u>s>t>r>q\) or \(s>u>t>r>q\)

Hence, II and III are always true, but I may or may not be true.

Answer: E.

P.S. You can also use number line to mark the variables and visualize it.


hello Bunuel i have a question

if \(u>s>t>r>q\)

let u = 5; s = 4 ; t = 3; r = 2; q =1

then why option 2 is not correct ? \(s > q\) --> \(4>1\) isnt it :?
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Re: If u > t, r > q, s > t, and t > r, which of the following [#permalink]

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New post 24 Feb 2018, 00:48
1
dave13 wrote:
Bunuel wrote:
fiendex wrote:
If u > t, r > q, s > t, and t > r, which of the following must be true?

I. u > s
II. s > q
III. u > r

(A) I only
(B) II only
(C) III only
(D) I and II
(E) II and III


Arrange so that you have a string: \(u>t\), \(t>r\), \(r>q\) and \(s>t\) (this one do not fit so far).

So we have that: \(u>t>r>q\);

Next, as \(s>t\), then \(s\) can be more as well as less than \(u\), so the final ordering is either \(u>s>t>r>q\) or \(s>u>t>r>q\)

Hence, II and III are always true, but I may or may not be true.

Answer: E.

P.S. You can also use number line to mark the variables and visualize it.


hello Bunuel i have a question

if \(u>s>t>r>q\)

let u = 5; s = 4 ; t = 3; r = 2; q =1

then why option 2 is not correct ? \(s > q\) --> \(4>1\) isnt it :?


You did not read the solution you quote carefully.

The final ordering is either \(u>s>t>r>q\) OR \(s>u>t>r>q\)
_________________

New to the Math Forum?
Please read this: Ultimate GMAT Quantitative Megathread | All You Need for Quant | PLEASE READ AND FOLLOW: 12 Rules for Posting!!!

Resources:
GMAT Math Book | Triangles | Polygons | Coordinate Geometry | Factorials | Circles | Number Theory | Remainders; 8. Overlapping Sets | PDF of Math Book; 10. Remainders | GMAT Prep Software Analysis | SEVEN SAMURAI OF 2012 (BEST DISCUSSIONS) | Tricky questions from previous years.

Collection of Questions:
PS: 1. Tough and Tricky questions; 2. Hard questions; 3. Hard questions part 2; 4. Standard deviation; 5. Tough Problem Solving Questions With Solutions; 6. Probability and Combinations Questions With Solutions; 7 Tough and tricky exponents and roots questions; 8 12 Easy Pieces (or not?); 9 Bakers' Dozen; 10 Algebra set. ,11 Mixed Questions, 12 Fresh Meat

DS: 1. DS tough questions; 2. DS tough questions part 2; 3. DS tough questions part 3; 4. DS Standard deviation; 5. Inequalities; 6. 700+ GMAT Data Sufficiency Questions With Explanations; 7 Tough and tricky exponents and roots questions; 8 The Discreet Charm of the DS; 9 Devil's Dozen!!!; 10 Number Properties set., 11 New DS set.


What are GMAT Club Tests?
Extra-hard Quant Tests with Brilliant Analytics

Manager
Manager
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S
Joined: 23 Sep 2016
Posts: 231
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Re: If u > t, r > q, s > t, and t > r, which of the following [#permalink]

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New post 26 Feb 2018, 22:22
fiendex wrote:
If u > t, r> q, s > t, and t > r, which of the following must be true?

I. u > s
II. s > q
III. u > r

(A) I only
(B) II only
(C) III only
(D) I and II
(E) II and III

put the question in single line and it will be easy for you from above statement we can say u,s>t>r>q accordingly 1st statement maybe true or may be not as we don't have any exact information about. So answer is E 2 and 3 statement is true.
Re: If u > t, r > q, s > t, and t > r, which of the following   [#permalink] 26 Feb 2018, 22:22
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