Q.

Find the cube root of 8000.


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a

   35

b

   25

c

   20

d

   30 

answer is C.

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Detailed Solution

Concept- To find the cube roots of the given question . First we have to do the prime Factorisation of 8000.  Then make the pair of the same number.
Here,
Cube root of 8000
First we will do the prime Factorisation of 8000.
So,
8000=2×2×2×5×5×5×2×2×2
Now, take cube root on both the sides,
(38000)=(32×2×2×5×5×5×2×2×2
=2×2×5=20
Hence, the correct answer is option 3.
 
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