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The ratio of the total surface area and lateral surface area of a cube is

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Bihar STET Paper I: Mathematics (Held In 2019 - Shift 1)
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  1. 3 ∶ 2
  2. 2 ∶ 3
  3. 3 ∶ 1
  4. 2 ∶ 1

Answer (Detailed Solution Below)

Option 1 : 3 ∶ 2
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Detailed Solution

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Let a be the edge of the cube, then

Total surface area = 6a2

and lateral surface area = 4a2

Now ratio between total surface area and lateral surface area = 6a2 : 4a2 = 3 : 2

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