In a certain apartment building exactly 1/3 of the apartments have two bedrooms and exactly 1/7 of the two-bedroom apartments are front apartments. Which of the following could be the total number of apartments in the building?
A. 42
B. 50
C. 51
D. 56
E. 57
সঠিক উত্তরঃ
A.
42
Explanation:
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