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09 Aug 2023, 10:00
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D
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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89% (01:17) correct
11%
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wrong
based on 565
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Of the apartments in a certain building, 75 have a balcony, 80 have a fireplace, and 30 have neither a balcony nor a fireplace. How many of the apartments in the building that have a balcony do not have a fireplace?
(1) There is a total of 150 apartments in the building.
(2) 35 of the apartments in the building that have a balcony also have a fireplace.
(A) Statement 1 alone is sufficient, but statement 2 alone is not.
(B) Statement 2 alone is sufficient, but statement 1 alone is not.
(C) Both statements together are sufficient, but neither alone is sufficient.
(D) Each statement alone is sufficient.
(E) Neither statement is sufficient, even when combined.
(1) There is a total of 150 apartments in the building.
(2) 35 of the apartments in the building that have a balcony also have a fireplace.
(A) Statement 1 alone is sufficient, but statement 2 alone is not.
(B) Statement 2 alone is sufficient, but statement 1 alone is not.
(C) Both statements together are sufficient, but neither alone is sufficient.
(D) Each statement alone is sufficient.
(E) Neither statement is sufficient, even when combined.
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Combine official questions for familiarity with GMAT Club Tests for analytics and tougher Focus-level practice so the real exam feels manageable.
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09 Aug 2023, 21:23
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Bunuel
We can plot the information over a 2*2 matrix as shown below.
Each of the statements provides us with sufficient information to obtain the required information.
Option D
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Screenshot 2023-08-10 095224.jpg [ 66.1 KiB | Viewed 18208 times ]
General Discussion
31 Aug 2023, 07:37
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Bunuel
#Balcony = 75
#Fireplace = 80
#Neither = 30
We need to answer the question:
#Balcony & No-fireplace = ?
Statement One Alone:
=> There is a total of 150 apartments in the building.
Total = 150
#No-fireplace = Total - #Fireplace = 150 – 80 = 70
#Balcony & No-fireplace = #No-fireplace - #Neither = 70 – 30 = 40
Statement one is sufficient. Eliminate answer choices B, C, and E.
Statement Two Alone:
=> 35 of the apartments in the building that have a balcony also have a fireplace.
#Both = 35
#Balcony & No-fireplace = #Balcony - #Both = 75 – 35 = 40
Statement two is sufficient.
Answer: D
