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Q.

Find the HCF of 12 and 24.


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a

6

b

12

c

24

d

None of the above 

answer is B.

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Detailed Solution

Given numbers are 12 and 24.
2 12 2 6 3 3 1  
Factor of 12=2×2×3
2 24 2 12 2 6 3 3 1  
Factors of 24=2×2×2×3
So, HCF = 2×2×3=12
So, HCF of 12 and 24 is 12.
Hence, the correct option is 2.
 
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