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Q.

Find the cube root of 27×64


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a

24

b

12

c

36

d

11 

answer is B.

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Detailed Solution

Concept: Finding the cube root of 27×64 by firstly find the prime numbers of these numbers, then find the cube root
Given, the numbers 27×64
27×64=3×3×3×2×2×2×2×2×2
27×64=33×26
27×643=33×263
27×643=3×22
27×643=3×4
27×643=12
Hence, the correct option is 2.
 
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