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A circular disc X of radius R is made fr...

A circular disc X of radius R is made from an iron plate of thickness t and another disc Y of radius 4 R is made from an iron plate of thinkness t/4. Then, the relation between the moment of inertia `I_x` and `l_y` is

A

`I_Y = I_X`

B

`I_Y = 16I_X`

C

`I_Y = 32I_X`

D

`I_Y = 64I_X`

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