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Chembeti
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Chembeti
Alan and Betty live in a multi-story apartment building. How many stories does the building have?

(1) There are 3 stories between those on which Alan and Betty live.
(2) There are 9 stories above Alan's floor and 9 stories below Betty's floor.

Statement 1
Case 1..................................Case 2
A.........................................A
[3].......................................[3]
B......................................... B
...........................................[1]

Total 5 stories................Total 6 Stories
Insuff

Statement 2
Case 1Case 2
[9].........................................[9]
A........................................... A
B...........................................[1]
[9].......................................... B
..............................................[9]

Total 20 Stories................Total 21 Stories
Insuff

Statement 1+2

[9].........................................[5]
A............................................B
[3].........................................[3]
B........................................... A
[9].........................................[5]

Total 23 Stories..............Total 15 Stories
Insuff

Therefore, E
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Hello from the GMAT Club BumpBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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