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Updated on: 22 Nov 2016, 08:27
Originally posted by souvonik2k on 06 Nov 2016, 01:19.
Last edited by Kurtosis on 22 Nov 2016, 08:27, edited 2 times in total.
Last edited by Kurtosis on 22 Nov 2016, 08:27, edited 2 times in total.
Edited the question for better understanding
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D
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:
76% (01:56) correct
24%
(01:52)
wrong
based on 96
sessions
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Time
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For any increase in x, the value of y decreases by double the value of increase in x. Also, for any decrease in x, the value of y increases by double the value of decrease in x. What is the value of x when y is 2?
(1) When x is 1, y = 5.
(2) When x is 3, y = 1.
(1) When x is 1, y = 5.
(2) When x is 3, y = 1.
06 Nov 2016, 02:20
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souvonik2k
For any increase in x, the value of y decreases by double the value. Also, for any decrease in x, the
value of y increases by double the value. What is the value of x when y is 2?
(1) When x is 1, y = 5.
(2) When x is 3, y = 1.
If u liked the question, don't hesitate to give kudos.
It encourages people like me to post new questions.
value of y increases by double the value. What is the value of x when y is 2?
(1) When x is 1, y = 5.
(2) When x is 3, y = 1.
If u liked the question, don't hesitate to give kudos.
It encourages people like me to post new questions.
What source is this question from???
The language of the question seems confusing...
"For any increase in x, the value of y decreases by double the value: it doesn't say double of what value... i mean whether y decreased by 2y or decreases by 2x or decreases by double the value of increase in x
I am assuming third assumption is being used in this question
i.e. if x changes to x+a
y becomes y-2a
using this
(1) When x is 1, y = 5.
i.e. if y decreased by 2, x will increase by 1
and if y decreased by 3, x will increase by 1.5
hence at y=2, x becomes 2.25
SUFFICIENT
(2) When x is 3, y = 1.
Similarly sifficient
Answer: Option D
06 Nov 2016, 03:35
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GMATinsight
souvonik2k
For any increase in x, the value of y decreases by double the value. Also, for any decrease in x, the
value of y increases by double the value. What is the value of x when y is 2?
(1) When x is 1, y = 5.
(2) When x is 3, y = 1.
If u liked the question, don't hesitate to give kudos.
It encourages people like me to post new questions.
value of y increases by double the value. What is the value of x when y is 2?
(1) When x is 1, y = 5.
(2) When x is 3, y = 1.
If u liked the question, don't hesitate to give kudos.
It encourages people like me to post new questions.
What source is this question from???
The language of the question seems confusing...
"For any increase in x, the value of y decreases by double the value: it doesn't say double of what value... i mean whether y decreased by 2y or decreases by 2x or decreases by double the value of increase in x
I am assuming third assumption is being used in this question
i.e. if x changes to x+a
y becomes y-2a
using this
(1) When x is 1, y = 5.
i.e. if y decreased by 2, x will increase by 1
and if y decreased by 3, x will increase by 1.5
hence at y=2, x becomes 2.25
SUFFICIENT
(2) When x is 3, y = 1.
Similarly sifficient
Answer: Option D
Hi
This question is from Nova's DS.
As i understand, the question means that the value by which x increases, y is decreased by double that value and similarly for a decrease.
Suppose, if x increases by 1, y decreases by 2.
