A cuboid of size 50 cm × 40 cm × 30 cm is cut into 8 identical parts b
| A cuboid of size 50 cm × 40 cm × 30 cm is cut into 8 identical parts by 3 cuts. What is the total surface area (in cm) of all the 8 parts?
A. 11750
B. 14100
C. 18800
D. 23500
Right Answer is: C
SOLUTION
We cut cuboid along length, breadth and height ; so the length , breadth and height of new cuboid will be half –
So the length of new cuboid 
Breadth 
Height 
Required T.S.A of 8 cuboids 
= 16(500 + 300 + 375)
= 16×1175
= 18800 cm²
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