Find out the total surface area of a cubical wooden block with side 60 cm 

This question was previously asked in
ISRO VSSC Technician-B (Fitter) Official Paper (Held On: 14 July 2021)
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  1. 2.16 m2
  2. 0.216 m2
  3. 0.384 m2
  4. 3.84 m2

Answer (Detailed Solution Below)

Option 1 : 2.16 m2
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Detailed Solution

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Concept:

Total surface area of cube = 6 × (side)2

Curved surface area of cube = 4 × (side)2

Volume of the cube = (side)3

Calculation:

Given:

Side = 60 cm = 0.6 m

Total surface area of cube = 6 × (0.6)2

⇒ Total surface area of cube = 6 × 0.36

⇒ Total surface area of cube = 2.16 m2

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