Multiple Choice Questions

Find the HCF of 2 1 1 05 and 0 63 ........

Mental Ability (N tehsildar) LCM, HCF

0.44

0.64

0.21

None of above

To solve this question quickly,

first remove decimal by multiplying each term with 100,
Then terms become 210, 105, 63
Then HCF of above terms is 21,
So Answer is 0.21

Hence, option 3 is the correct answer.

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