Please solve question 154?

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Answer 1 · 2018-04-07T07:31:15

The answer is $"option (3)"$

$"density "="mass"/"volume"$

Therefore,

The volume of the first body is

$v_1=36/9=4 "cc"$

The volume of the second body is

$v_2=48/d "cc"$

For equilibrium, the net force is the same

$"Net force" = "weight"- "weight of fluid displaced"$

$36g-4*1*g=48*g-48/d*1*g$

$36-4=48-48/d$

$48/d=16$

$d=48/16=3gcm^-3$

The answer is $"option (3)"$