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11 Jan 2019, 00:27
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Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
25%
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Question Stats:
69% (00:50) correct
31%
(01:04)
wrong
based on 62
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History
Date
Time
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Not Attempted Yet
What is the minimum number of rectangular tiles, each 12 centimeters by 18 centimeters, needed to completely cover five flat rectangular surfaces, each 60 centimeters by 180 centimeters?
A. 50
B. 100
C. 150
D. 200
E. 250
A. 50
B. 100
C. 150
D. 200
E. 250
11 Jan 2019, 00:31
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= 5*60*180 = total area
Tile area12*18=( 180+36)=216
No of tiles = 5*12*5*18*10/12*18=250
Posted from my mobile device
Tile area12*18=( 180+36)=216
No of tiles = 5*12*5*18*10/12*18=250
Posted from my mobile device
11 Jan 2019, 00:45
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riyarush2007, Welcome to the GMAT Club!
Try to post explanations to why you think the answer is what you think it is. That will add to your knowledge as well as that of any potential readers.
Please follow rules of posting - https://gmatclub.com/forum/rules-for-po ... 33935.html
Try to post explanations to why you think the answer is what you think it is. That will add to your knowledge as well as that of any potential readers.
Please follow rules of posting - https://gmatclub.com/forum/rules-for-po ... 33935.html
riyarush2007
