Question

Find the HCF of
a) 10 and 15
b) 9 , 15 and 21
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Answer 1

Answer:

hcf of 10 and 15 is 5

hcf of 9,15 and 21 is 3

Answer 2

5 is the HCF of 10 and 15

3 is the HCF of 9,15 and 21