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Square root and cube root

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  1. Find the least number by which 175760 be devided to make it a perfect cube.
    1. 10
    2. 20
    3. 100
    4. 5
Correct Option: A

175760 = 24 x 5 x 13 3
= 23 x 2 x 5 x 133
To make perfect cube, it must be divided by 2 x 5 = 10


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