Five cubes each of edge 3 cm are joined end to end What is the total surface area of the resulting c...........

Quantitative Aptitude (CGL) Mensuration 3D

Five cubes, each of edge 3 cm are joined end to end. What is the total surface area of the resulting cuboid, in $cm^{2}$ ?

This questions was previously asked in

SSC CGL 13 June 2019 Shift-2

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Explanation:

If 5 cubes with edge 3 cm are joined end to end , then resulting cuboid will have following dimensions :
Length: 15cm Breadth - 3cm Height 3cm
Total Surface Area of Cuboid : 2(lb + bw +wh)
= 2(15x3+3 x 3 +3 x15) =2 x 99 = 198 $cm^{2}$
So, the answer would be Option d)198 . $cm^{2}$