Question

first answer will be marked as brainliest

Answer 1

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$\huge{hey \: guys}$

Bhai answer to pahle se hi Diya hua h
answer is 3/5
I hope this helps you

Answer 2

Let y fraction of its volume be hollow.

Density of the shell = 5x103 kg/m3

Then

weight of the shell,

Weight of the water displaced = Vx103x9.8

Loss in the weight of the shell = Weight of the water displaced

On solving we get,

y = 3/5