A cube floating in a bucket of water has 80-85% of its volume below the surface of water. If between 12 & 16 cc of cube is above water surface, what is the side of cube?
a.4
b.5
c.7
d.8
e.9
kindly help me out
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cube sum
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srivathsan
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Our minimum is when 12 = 20% of the volume, and our maximum is when 16 = 15% of the volume.
That gives us a volume between 60 and 106+(2/3). The only cube in this range is 4*4*4, so the answer is A.
That gives us a volume between 60 and 106+(2/3). The only cube in this range is 4*4*4, so the answer is A.
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It isn't, unfortunately: the answer is A, or ≈ 4.Biji wrote:Answer is 7
