Which of the follwing number is not a perfect cube (a) 216 (b) 576 (c) 125 (d)343
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Step-by-step explanation:
a) 216=6×6×6
Hence it is perfect cube....
b) 576
It is not perfect cube because;
8×8×8=512
9×9×9=729
c) 125=5×5×5
Hence it is perfect cube....
d) 343=7×7×7
Hence it is perfect cube....
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