Answers

2016-02-22T15:15:13+05:30
The side will be 4 cm and the ratio of their total surface area would be 16:1.

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2016-02-22T15:31:32+05:30
Side of new cube = 4
Ratio of surface area = 1/16

explanation:-
Volume of big cube = a×a×a
=16×16×16
=4096
volume of small cube
= 1/64×4096
a×a×a=64
a×a×a=4×4×4
a=4
side=4
ratio of surface area:-
= 6×4×4 / 6×16×16
=1×4×4/1×16×16
=1×1×1/1×4×4
=1/16
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