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      Question

      Length, breadth and height of a cuboid are 3 cm, 6 cm

      and 10 cm respectively. What is the total surface area of the cuboid?
      A 256 cm2 Correct Answer Incorrect Answer
      B 196 cm2 Correct Answer Incorrect Answer
      C 216 cm2 Correct Answer Incorrect Answer
      D 144 cm2 Correct Answer Incorrect Answer

      Solution

      The total surface area of Cuboid = 2(lb + bh + lh) => 2 (3 Γ— 6 + 6 Γ— 10 + 3 Γ— 10) = 2(18 + 60 + 30) = 2 Γ— 108 = 216 cm2

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