CTET 2 Math and Science Nov 2012 Paper

Question : 33 of 120

Marks: +1, -0

A cube has a volume

125 cm^3

. Area of its one face is

Solution:

Let 'a' be the side of cube
vol. of cube

=(a)^3

⇒a^{3}=125{cm}^{3}

∴a=5

Area of one of its face is

(a)^2

⇒(5)^{2}=25{cm}^{2}

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