A large cube is formed from the material obtained by melting three sma – McqOptions

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1.	A large cube is formed from the material obtained by melting three smaller cubes of 3, 4 and 5 cm side. What is the ratio of the total surface areas of the smaller cubes and the large cube?
A.	0.084027777777778
B.	0.12638888888889
C.	1.0541666666667
D.	1.1388888888889
Answer» D. 1.1388888888889

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