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Highest Common Factors

Find the HCF ...

Question

Find the HCF of 15 and 30

A

3

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B

15

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C

5

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D

10

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Solution

The correct option is B 15
Using division method of HCF , we have

The last divisor which gives the remainder as 0 is the required HCF.

Hence HCF of 15 and 30 is 15

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