A block of wood is floating in water such that \( 1 / 3^{\text {rd ...

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A block of wood is floating in water such that \( 1 / 3^{\text {rd }} \) of it is submerged in water. When the same
\( \mathrm{P} \)
block is floated in alcohol, 1/2 of its volume
W
is submerged. Now a mixture of water and
alcohol is made taking equal volume of both
and block is floated in it. What is the \% of it's
volume that is now submerged?
(1) 40
(2) 30
(3) 10
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