1.

(0.1 x 0.1 x 0.1 + 0.02 x 0.02 x 0.02)/(0.2 x 0.2 x 0.2 + 0.04 x 0.04 x 0.04) is

A. 0.0125
B. 0.125
C. 0.25
D. 0.5
Answer» C. 0.25


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