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Q.

What is the HCF of the numbers 144, 180, and 192?


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a

12

b

16

c

18

d

8 

answer is A.

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Detailed Solution

The given data is the numbers 144, 180, and 192.
We are required to find the HCF of the above numbers using the division method.
144 1 192 144        48 ¯ ​​ 144 144 ¯ 3        0  
We will now check the divisibility of the other number by 48 in the following way.
Question ImageTherefore, the required HCF of the numbers by division method is 12.
Hence the correct answer is option (1).
 
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