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24 Dec 2014, 08:38
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A
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Tough and Tricky questions: Geometry.
Attachment:
2014-12-24_1937.png [ 2.34 KiB | Viewed 6894 times ]
A. 27π meters³
B. 32π meters³
C. 33π meters³
D. 36π meters³
E. 42π meters³
Kudos for a correct solution.
24 Dec 2014, 08:45
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The plug releases water from the tank at a rate of π cubic meters/min. Thus in 9 minutes the total water released is 9π cubic meters/min.
So water left = 36 - 9 = 27π cubic meters
Hence A
So water left = 36 - 9 = 27π cubic meters
Hence A
24 Dec 2014, 11:08
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==> 36π - 9π = 27π
Am I missing something?
Am I missing something?
