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22 Apr 2020, 04:36
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S is a sequence such that when x is in S, -x is in S, and when x and y are in the sequence, x*y is in the sequence. Is number 12 in the sequence?
(1) 2 is in the sequence.
(2) 3 is in the sequence
Are You Up For the Challenge: 700 Level Questions
(1) 2 is in the sequence.
(2) 3 is in the sequence
Are You Up For the Challenge: 700 Level Questions
ArunSharma12
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22 Apr 2020, 09:06
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Bunuel
S is a sequence such that when x is in S, -x is in S, and when x and y are in the sequence, x*y is in the sequence. Is number 12 in the sequence?
(1) 2 is in the sequence.
(2) 3 is in the sequence
statement 1:(1) 2 is in the sequence.
(2) 3 is in the sequence
S = [2,-2,-4,8,16...]
we do not whether 3 is in the S?
not sufficient
statement 2:
s = [3,-3,-9,27,...]
we do not whether 2 is in the S?
not sufficient
combining both statements,
s = [2,3,6,12..]
sufficient
Ans: C
yashikaaggarwal
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23 Apr 2020, 06:06
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ArunSharma12
Bunuel
S is a sequence such that when x is in S, -x is in S, and when x and y are in the sequence, x*y is in the sequence. Is number 12 in the sequence?
(1) 2 is in the sequence.
(2) 3 is in the sequence
statement 1:(1) 2 is in the sequence.
(2) 3 is in the sequence
S = [2,-2,-4,8,16...]
we do not whether 3 is in the S?
not sufficient
statement 2:
s = [3,-3,-9,27,...]
we do not whether 2 is in the S?
not sufficient
combining both statements,
s = [2,3,6,12..]
sufficient
Ans: C
Why did you took multiple of 2 & 3 in the respective sets?
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not sure why you say I took the multiples. I did not took the multiples of 3 & 2 in respective statements.
