Two cubes have their volumes in the ratio 1:27 Find the ratio of their surface areas
A1:9
B9:1
C27:1
D3:9
A1:9
B9:1
C27:1
D3:9
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The length and breadth of a rectangular field are in the ratio 7 : 4. A path 4 m wide running all around outside has an area of 416m2. The breadth (in m) of the field is