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The length of three unequal edges of a r...

The length of three unequal edges of a rectangular solid block are in G.P. The volume of the block is `216cm^(3)` and total surface area is 252` cm^(2)` . The length of the longest edge is `:`

A

`12cm`

B

`6cm`

C

`6cm`

D

`3cm`

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The correct Answer is:
A
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