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30 Mar 2023, 01:30
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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:
35%
(medium)
Question Stats:
76% (01:25) correct
24%
(01:58)
wrong
based on 37
sessions
History
Date
Time
Result
Not Attempted Yet
If x is a positive integer and w is a negative integer, what is the value of x - w?
(1) \(w^{x} = 9\)
(2) \(x + w = -1\)
(1) \(w^{x} = 9\)
(2) \(x + w = -1\)
30 Mar 2023, 02:36
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Given:
w = -Int
x = +Int
Statement 1:
w^x = 9
=> (-Int)^+Int = +Int
=> x = even
Thus, x = 2, w = -3
Sufficient
Statement 2:
x+w=−1
Possible cases: x = 2, w = -3 or x = 1, w = -2
Not Sufficient
Answer: A
w = -Int
x = +Int
Statement 1:
w^x = 9
=> (-Int)^+Int = +Int
=> x = even
Thus, x = 2, w = -3
Sufficient
Statement 2:
x+w=−1
Possible cases: x = 2, w = -3 or x = 1, w = -2
Not Sufficient
Answer: A
30 Mar 2023, 05:39
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imo
option E correct
statement 1
w^x=9
w^x=3^2 or 9^1
not sufficient
statement 2
x+w=-1
different combinations
insufficient
statement 1 and statement 2
insufficient
OPTION E CORRECT
option E correct
statement 1
w^x=9
w^x=3^2 or 9^1
not sufficient
statement 2
x+w=-1
different combinations
insufficient
statement 1 and statement 2
insufficient
OPTION E CORRECT
