A right circular cylindrical tank having a height of 2 feet and perim
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21 Jan 2025, 00:36
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A right circular cylindrical tank having a height of 2 feet and perimeter of the base as 22 feet was filled with water up to 80% of its actual capacity. What is the minimum number of lead balls each having radius of 0.10 feet, that should be dropped into the tank so as to increase the volume to at least 90%?
A. 800
B. 900
C. 919
D. 1838
E. 2757
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