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25 Oct 2017, 00:01
Kudos
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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:
65% (00:45) correct
35%
(00:57)
wrong
based on 41
sessions
History
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Is there a route from A to C that passes through B and is more than 11 miles long?
(1) Two roads from A to B are at least 5 miles long.
(2) Three roads from B to C are at least 5 miles long.
(1) Two roads from A to B are at least 5 miles long.
(2) Three roads from B to C are at least 5 miles long.
Pure algebraic questions like this one are no longer part of the GMAT Data Sufficiency syllabus.
For relevant Data Sufficiency questions, please check the Data Sufficiency forum:
Data Sufficiency Forum
Data Sufficiency Forum
25 Oct 2017, 03:07
Kudos
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Question: is A--B--C > 11 miles
(1) Two roads from A to B are at least 5 miles long: No information about C. Insuff.
(2) Three roads from B to C are at least 5 miles long: No Information about A. Insuff.
(1) & (2) together,
distance between A & B ≥ 5 miles
distance between B & C ≥ 5 miles
Hence, distance between A & C ≥ 10 miles
So, A to C can be minimum 10 miles and maximum anything. Hence, Insuff.
Ans: E.
(1) Two roads from A to B are at least 5 miles long: No information about C. Insuff.
(2) Three roads from B to C are at least 5 miles long: No Information about A. Insuff.
(1) & (2) together,
distance between A & B ≥ 5 miles
distance between B & C ≥ 5 miles
Hence, distance between A & C ≥ 10 miles
So, A to C can be minimum 10 miles and maximum anything. Hence, Insuff.
Ans: E.
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