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29 Dec 2016, 04:55
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Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
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48% (02:15) correct
53%
(02:09)
wrong
based on 80
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If a, b and c are integers, is their sum divisible by 6?
(1) a – b – c is divisible by 6.
(2) (a + b)c is divisible by 6.
(1) a – b – c is divisible by 6.
(2) (a + b)c is divisible by 6.
29 Dec 2016, 07:49
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Bunuel
If a, b and c are integers, is their sum divisible by 6?
(1) a – b – c is divisible by 6.
(2) (a + b)c is divisible by 6.
(1) a – b – c is divisible by 6.
(2) (a + b)c is divisible by 6.
both statements fits with below examples
Check a=-4
b=-2
c=4
then a+b+c=-4-2+4=-2....not div by 6....NO
but if a=b=c=6 ...then it is div. by 6....YES
as combined not suff..
Ans E
30 Dec 2016, 02:27
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no the answer should be A, as whatever values we take in statement 1. like 12-3-3/6 or 12-4-2/6 in all cases we get a+b+c divisible by 6 so suff. and in statement 2 take values like (0+1)6/6=integer but a+b+c/6 not an integer so insuff.
