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Updated on: 29 Aug 2015, 01:52
Originally posted by CONSULTINGDREAMER on 28 Aug 2015, 18:57.
Last edited by Bunuel on 29 Aug 2015, 01:52, edited 1 time in total.
Last edited by Bunuel on 29 Aug 2015, 01:52, edited 1 time in total.
Renamed the topic, edited the question and added the OA.
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C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
25%
(medium)
Question Stats:
75% (01:38) correct
25%
(01:45)
wrong
based on 134
sessions
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Time
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If w + x + y = 42, what is the value of wxy?
(1) x and y are consecutive odd integers
(2) w = 2x
(1) x and y are consecutive odd integers
(2) w = 2x
28 Aug 2015, 21:20
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Given: w+x+y =42 - (i)
Required: wxy
Statement 1:
x and y are consecutive odd integers, this means
y = x+2
On substituting the value of y in the given equation (i)
w + x + (x+2) = 42
We cannot solve for wxy from this.
INSUFFICIENT
Statement 2:
w = 2x.
On substituting the value of w in the given equation (i)
2x + x + y = 42
We cannot solve for wxy from this also.
INSUFFICIENT
Statements 1 and 2 combined:
On combining both the equations, we know that
y = x+2 and w =2x
On substituting these values in equation (i)
2x+ x + (x+2) = 42, hence x = 10
This means, y = 12 and w =20.
Now we have all the values required to find out wxy.
SUFFICIENT
P.S: Note that I did not solve for the value of wxy. Solving is not required in this problem and we can save precious time here.
We just need to tell if the data provided is sufficient or not.
Required: wxy
Statement 1:
x and y are consecutive odd integers, this means
y = x+2
On substituting the value of y in the given equation (i)
w + x + (x+2) = 42
We cannot solve for wxy from this.
INSUFFICIENT
Statement 2:
w = 2x.
On substituting the value of w in the given equation (i)
2x + x + y = 42
We cannot solve for wxy from this also.
INSUFFICIENT
Statements 1 and 2 combined:
On combining both the equations, we know that
y = x+2 and w =2x
On substituting these values in equation (i)
2x+ x + (x+2) = 42, hence x = 10
This means, y = 12 and w =20.
Now we have all the values required to find out wxy.
SUFFICIENT
P.S: Note that I did not solve for the value of wxy. Solving is not required in this problem and we can save precious time here.
We just need to tell if the data provided is sufficient or not.
28 Aug 2015, 22:10
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TeamGMATIFY
Thanks for the analysis,
Solving the equations above we have x=10 and Y=12, which are even integers, doesn't that violate Option A, which says X and Y are ODD integers.
