Perfect cube

Which of the following number is not a perfect cube?
a. 64
b. 729
c. 800
d. 1331

Correct answer:

x =  800

Step-by-step explanation:

a1=364=4 b1=3729=9 c1=38009.2832 d1=31331=11  c1/N 800=25×52=n3 x=800

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Dr Math
A perfect cube is a number that is obtained by multiplying the same integer three times (so its third power of integer).

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