Maths / Cube and Cube Roots / Perfect Cube

QUESTION
 

Which one of the following numbers is not a complete cube? 64, 216, 343, 256

OPTIONS
A. 

64

B. 

216

C. 

243

D. 

256

Right Option : D

EXPLANATION
Explain TypeExplanation Content
Text

64=4^3;216=6^3,343=7^3,

256=overline{2X2X2}Xoverline {2X2X2}X2X2

it is clear that 256 is not a perfect cube.

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