Q.

What is the cube root of 125000?


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a

40

b

50

c

60

d

70 

answer is B.

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Detailed Solution

The given number is 125000.
Prime factorization of 125000 is,
125000=2×5×5×2×5×5×2×5×5
125000 3 = 2×5×5×2×5×5×2×5×5 3 125000 3 = 50×50×50 3 125000 3 = 50 3 3 125000 3 =50   So, the cube root of 125000 is 50.
Therefore, option 2 is correct.
 
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What is the cube root of 125000?