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26 Jan 2021, 16:02
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E
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:
61% (00:45) correct
39%
(00:44)
wrong
based on 179
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Is the integer n a multiple of 140?
(1) n is a multiple of 10.
(2) n is a multiple of 14.
(1) n is a multiple of 10.
(2) n is a multiple of 14.
26 Jan 2021, 19:50
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Is n a multiple of 140. i.e is n = 140, 280, 420 ....
Statement 1: n is a multiple of 10
n = 10 is a multiple of 10, but 10 is not a multiple of 140 (it is a factor of 140)
Therefore Statement 1 Alone is Insufficient. Answer options could be B, C or E
Statement 2: n is a multiple of 14.
n = 14 is a multiple of 14, but not a multiple of 140.
Therefore Statement 2 Alone is Insufficient. Answer Options could be C or E
Combining Both Statements: n is a multiple of 10 and 14 i.e LCM of 10 and 14 = 70
n = 70 is a multiple of 10 and 14, but is not a multiple of 140
Therefore Both Statements together are Insufficient.
Option E
Arun Kumar
Statement 1: n is a multiple of 10
n = 10 is a multiple of 10, but 10 is not a multiple of 140 (it is a factor of 140)
Therefore Statement 1 Alone is Insufficient. Answer options could be B, C or E
Statement 2: n is a multiple of 14.
n = 14 is a multiple of 14, but not a multiple of 140.
Therefore Statement 2 Alone is Insufficient. Answer Options could be C or E
Combining Both Statements: n is a multiple of 10 and 14 i.e LCM of 10 and 14 = 70
n = 70 is a multiple of 10 and 14, but is not a multiple of 140
Therefore Both Statements together are Insufficient.
Option E
Arun Kumar
26 Jan 2021, 21:52
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Asked: Is the integer n a multiple of 140?
(1) n is a multiple of 10.
If n = 20; n is not a multiple of 140
But if n=280; n is a multiple of 140
NOT SUFFICIENT
(2) n is a multiple of 14.
If n = 28; n is not a multiple of 140
But if n=280; n is a multiple of 140
NOT SUFFICIENT
(1) + (2)
(1) n is a multiple of 10.
(2) n is a multiple of 14.
If n = 70; n is not a multiple of 140
But if n=280; n is a multiple of 140
NOT SUFFICIENT
IMO E
(1) n is a multiple of 10.
If n = 20; n is not a multiple of 140
But if n=280; n is a multiple of 140
NOT SUFFICIENT
(2) n is a multiple of 14.
If n = 28; n is not a multiple of 140
But if n=280; n is a multiple of 140
NOT SUFFICIENT
(1) + (2)
(1) n is a multiple of 10.
(2) n is a multiple of 14.
If n = 70; n is not a multiple of 140
But if n=280; n is a multiple of 140
NOT SUFFICIENT
IMO E
