Three equal cubes are placed adjacently in a row. Find the ratio of the total

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Three equal cubes are placed adjacently in a row. Find the ratio of the total surface area of the new cuboid to that of the sum of the surface areas of the 3 cubes.

Options:

A . 5 : 6

B . 6 : 5

C . 7 : 9

D . 9 : 7

Answer: Option C

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