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Does ay = –5 – by? (1) a = b (2) a + b = y
[#permalink]
05 Sep 2017, 23:26
05 Sep 2017, 23:26
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A
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E
Difficulty:
65%
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Question Stats:
47% (01:23) correct
53%
(01:29)
wrong
based on 60
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Does ay = –5 – by? (1) a = b (2) a + b = y
[#permalink]
Updated on: 06 Sep 2017, 05:40
Updated on: 06 Sep 2017, 05:40
Bunuel wrote:
Does ay = –5 – by?
(1) a = b
(2) a + b = y
(1) a = b
(2) a + b = y
Does ay + by = -5
(1) a = b but no information abt y
not sufficient
(2) a+b = y
ay + by
y^2..only positive value and hence cannot equal -5
sufficient
B
on combining no values of a, b, y given
PS: Second attempt
B
Originally posted by Luckisnoexcuse on 06 Sep 2017, 00:38.
Last edited by Luckisnoexcuse on 06 Sep 2017, 05:40, edited 1 time in total.
Last edited by Luckisnoexcuse on 06 Sep 2017, 05:40, edited 1 time in total.
Re: Does ay = –5 – by? (1) a = b (2) a + b = y
[#permalink]
06 Sep 2017, 05:18
06 Sep 2017, 05:18
Luckisnoexcuse wrote:
Bunuel wrote:
Does ay = –5 – by?
(1) a = b
(2) a + b = y
(1) a = b
(2) a + b = y
Does ay + by = -5
(1) a = b but no information abt y
not sufficient
(2) a+b = y
ay + by
y^2
no information abt y..not sufficient on combining no values of a, b, y given
E
Y^2 will always be positive and cant be equal to -5.
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