Answer :
Final Answer:
The number that is NOT a cube number among the options is 10000.
Explanation:
A cube number is a number that can be expressed as the cube of an integer, i.e., a number raised to the power of 3. Let's analyze each option to determine which one is not a cube number.
i) 10000 - This is not a cube number. The cube root of 10000 is approximately 21.54, which is not an integer.
ii) 3125 - This is a cube number. The cube root of 3125 is 5.
iii) 64 - This is a cube number. The cube root of 64 is 4.
iv) 729 - This is a cube number. The cube root of 729 is 9.
Based on the above analysis, the number 10000 is NOT a cube number. It cannot be expressed as the cube of any integer.
In conclusion, among the given options, the number that is not a cube number is 10000. The other options, 3125, 64, and 729, are cube numbers as they can be expressed as the cube of integers.
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