If each edge of a cuboid of surface area S is doubled, then surface area of the new cuboid is
Given,
Let edges of cuboid = l , b , h
Surface area of cuboid = 
New edges of cuboid = 2l , 2b , 2h
New surface area of cuboid = 
= 4S
15
If each edge of a cuboid of surface area S is doubled, then surface area of the new cuboid is
Given,
Let edges of cuboid = l , b , h
Surface area of cuboid =
New edges of cuboid = 2l , 2b , 2h
New surface area of cuboid =
= 4S