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13 Apr 2020, 20:12
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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:
85%
(hard)
Question Stats:
27% (01:04) correct
73%
(00:40)
wrong
based on 103
sessions
History
Date
Time
Result
Not Attempted Yet
Is m divisible by 11?
(1) The product mn is divisible by 11
(2) n is not divisible by 11.
(1) The product mn is divisible by 11
(2) n is not divisible by 11.
GMATBusters Collection
13 Apr 2020, 20:57
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Is m/11=int?
Statement 1: mn/11=int
m=2 n=11
Answer is no
m=11 n=2
Answer is yes
Insufficient
Statement 2: n/11# integer
Insufficient
Statement 1 and 2:
m has to bw divisible by 11
Sufficient
C
Posted from my mobile device
Statement 1: mn/11=int
m=2 n=11
Answer is no
m=11 n=2
Answer is yes
Insufficient
Statement 2: n/11# integer
Insufficient
Statement 1 and 2:
m has to bw divisible by 11
Sufficient
C
Posted from my mobile device
13 Apr 2020, 22:55
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GMATBusters
Question: Is m divisible by 11?
Statement 1: The product mn is divisible by 11
Case 1: m = 11 and n = 1 answer to the question is YES
Case 2: m = 1 and n = 11 answer to the question is NO
Statement 2: n is not divisible by 11.
No information about m hence
NOT SUFFICIENT
Combining the two statements
Trick: The question has NOT mentioned whether m and n are Integers or NOT hence they may be fractions too
Case 1: n = 1 and m = 11 answer to the question is YES
Case 1: n = 2 and m = 11/2 answer to the question is NO
NOT SUFFICIENT
Answer: Option E
