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09 Jan 2018, 23:42
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C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
45%
(medium)
Question Stats:
63% (01:49) correct
37%
(02:04)
wrong
based on 131
sessions
History
Date
Time
Result
Not Attempted Yet
Shane drives from his house to the beach by one of three possible routes, a, b, or c from shortest to longest. If he must return by one of these routes, what is the difference between the longest route and the shortest route?
(1) If he never takes the same route leaving and returning, the longest distance he travels is 48 miles for the entire trip.
(2) Taking route a to the beach and returning using route b, Shane travels a distance of 34 miles.
(1) If he never takes the same route leaving and returning, the longest distance he travels is 48 miles for the entire trip.
(2) Taking route a to the beach and returning using route b, Shane travels a distance of 34 miles.
10 Jan 2018, 00:40
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Bunuel
Shane drives from his house to the beach by one of three possible routes, a, b, or c from shortest to longest. If he must return by one of these routes, what is the difference between the longest route and the shortest route?
(1) If he never takes the same route leaving and returning, the longest distance he travels is 48 miles for the entire trip.
(2) Taking route a to the beach and returning using route b, Shane travels a distance of 34 miles.
(1) If he never takes the same route leaving and returning, the longest distance he travels is 48 miles for the entire trip.
(2) Taking route a to the beach and returning using route b, Shane travels a distance of 34 miles.
So a < b < c. We have to determine value of (c-a).
(1) If the onward and return routes are different, longest distance would be covered by taking routes 'b' and 'c'. So we are given that b+c = 48. But we dont know anything about 'a'. Insufficient.
(2) This gives us that a+b = 34. But nothing about c. Insufficient.
Combining the statements, subtracting the two equations; we get:
(b+c) - (a+b) = 48 - 34 OR c - a = 14. Sufficient.
Hence C answer
26 Nov 2019, 05:35
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Bunuel
Shane drives from his house to the beach by one of three possible routes, a, b, or c from shortest to longest. If he must return by one of these routes, what is the difference between the longest route and the shortest route?
(1) If he never takes the same route leaving and returning, the longest distance he travels is 48 miles for the entire trip.
(2) Taking route a to the beach and returning using route b, Shane travels a distance of 34 miles.
(1) If he never takes the same route leaving and returning, the longest distance he travels is 48 miles for the entire trip.
(2) Taking route a to the beach and returning using route b, Shane travels a distance of 34 miles.
a<b<c…c-a?
(1) If he never takes the same route leaving and returning, the longest distance he travels is 48 miles for the entire trip. insufic
longest: b+c=48, a=?
(2) Taking route a to the beach and returning using route b, Shane travels a distance of 34 miles. insufic
a+b=34, c=?
(1&2) sufic
a+b=34, b+c=48, c-a=48-b-(34-b)=48-34=14
Ans (C)
