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29 Sep 2022, 02:35
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A
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
92% (01:20) correct
8%
(01:26)
wrong
based on 153
sessions
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If c > b, a > d, c > a, and b > d, which of the following must be true?
I. c > d
II. b > a
III. a = b
(A) I only
(B) II only
(C) III only
(D) I and II
(E) I and III
I. c > d
II. b > a
III. a = b
(A) I only
(B) II only
(C) III only
(D) I and II
(E) I and III
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10 Oct 2022, 02:44
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I. c > d; C > B/A (Given in question stem) and A/B > D (Given in question stem); C > D *definitely* as both A/B are greater than D and C is greater than both A/B.
II. b > a; A > D and B > D (Given in question stem) and both A/B < C (Given in question stem), we can't determine if B > A as there's no relation between A and B and the values could be anything,
*Case 1:-if D= 5, A= 6, B=7, then B/A>D and B>A,
Case 2:- if D=5, A= 7, B= 6, B/A > D and A > B*
III. a = b; We can't be sure about this, as no relation is given and the value of A/B could be anything,
*Case 1:- if D= 5, A= 6, B=7, then B/A>D and B>A
Case 2:- if D=5, A= 7, B= 6, B/A > D and A > B
Case 3:- if D=5, A= 6, B=6, A/B> D and A=B*
II. b > a; A > D and B > D (Given in question stem) and both A/B < C (Given in question stem), we can't determine if B > A as there's no relation between A and B and the values could be anything,
*Case 1:-if D= 5, A= 6, B=7, then B/A>D and B>A,
Case 2:- if D=5, A= 7, B= 6, B/A > D and A > B*
III. a = b; We can't be sure about this, as no relation is given and the value of A/B could be anything,
*Case 1:- if D= 5, A= 6, B=7, then B/A>D and B>A
Case 2:- if D=5, A= 7, B= 6, B/A > D and A > B
Case 3:- if D=5, A= 6, B=6, A/B> D and A=B*
12 Oct 2022, 12:26
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the answer is A only. the fact remains that if c>b, a>d, c>a and b>d then we need to arrange the digits in their increasing order.
We start with b followed by c as: b,c
then write d followed by a as: d,a
then we check that c>a meaning its still greater than d as: d, (a or b)c
then b greater than d confirms it as above.
in the inequalities given there is no evidence of b being greater than a or vise versa. additionally there is no evidence of a and b being equal.
So the only condition that is true for this quiz is that c>d
We start with b followed by c as: b,c
then write d followed by a as: d,a
then we check that c>a meaning its still greater than d as: d, (a or b)c
then b greater than d confirms it as above.
in the inequalities given there is no evidence of b being greater than a or vise versa. additionally there is no evidence of a and b being equal.
So the only condition that is true for this quiz is that c>d
