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tagmag
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25 Aug 2016, 12:22
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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:
35%
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Question Stats:
73% (01:03) correct
27%
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a,b and c are integers greater than 2. what is the value of a+b+c ?
1. bc= 35
2. abc=105
1. bc= 35
2. abc=105
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25 Aug 2016, 16:02
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tagmag
a,b and c are integers greater than 2. what is the value of a+b+c ?
1. bc= 35
2. abc=105
1. bc= 35
2. abc=105
St 1: By prime factorization : bc=5*7; but no info about a.
Insufficient
St 2: By prime factorization : abc =3*5*7 (since all of them are integers greater than 2)
Therefor a+b+c =15
Sufficient
B
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15 Feb 2017, 21:25
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tagmag
a,b and c are integers greater than 2. what is the value of a+b+c ?
1. bc= 35
2. abc=105
1. bc= 35
2. abc=105
St I
bc =35
now 35 = 7*5
so b =5 and c =7 or c = 7 and b = 5
so b+c = 12 but nothing is given about a ----------Insufficient.
St II
abc = 105
now 105 = 3*5*7
so a,b and c can take any of the values i.e. 3,5,7
but their sum will always be 15 ---------Sufficient
Hence Option B is correct.
Hit Kudos if you liked it
.
Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
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Still interested in this question? Check out the "Best Topics" block above for a better discussion on this exact question, as well as several more related questions.
Thank you for understanding, and happy exploring!
