Answers

2016-04-01T13:45:28+05:30
Let the side off cube be 'a'
total surface area of cube = 6a²
length of cuboid = 3a
breadth of cuboid = a
height of cuboid = a
total surface area of cuboid = 2( 3a × a + a × a + a × 3a ) = 14a²
ratio = 14a²/6a² = 7/3 = 7 : 3
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