Home » Aptitude » Volume and Surface Area of Solid Figures » Question
  1. A cube has each edge 2 cm and a cuboid is 1 cm long, 2 cm wide and 3 cm high. The paint in a certain container is sufficient to paint an area equal to 54 cm2. Which one of the following is correct ?
    1. Both cube and cuboid can be painted
    2. Only cube can be painted
    3. Only cuboid can be painted
    4. Neither cube nor cuboid can be painted
Correct Option: A

Surface area of cube which can be painted = 6(Side)2 = 6(2)2 = 24 cm2
Now, surface area of cuboid which can be painted
= 2(lb + bh + lh)
= 2(2 + 6 + 3) = 22 cm
Total surface area of both cube and cuboid
= 22 + 24 = 46 cm2 < 54 cm2
Therefore, both cube and cuboid can be painted.



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