Question: Three equal cubes of unit side length are placed adjacent to each other in a row. Find the ratio of the total surface area of
Three equal cubes of unit side length are placed adjacent to each other 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 all the three cubes.
(a) 3:5
(b) 4:5
(c) 6:7
(d) 7:9
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