A cube has an edge of 4, if the cube is split into cubes with edges of 2, what is the total surface area of the smaller cubes ?
a.32
b.64
c.96
d.192
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Vol. Orginal cube (oc)= 4cu.=64
And cut cube vol=2cu=8
No of cut cube= 64÷8=8
Sa of oc=6×4sq
Req. Sa of oc and cut out cubes=6×4sq÷8×6=2 ans
And cut cube vol=2cu=8
No of cut cube= 64÷8=8
Sa of oc=6×4sq
Req. Sa of oc and cut out cubes=6×4sq÷8×6=2 ans
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