Question

find the HCF of 10, 20 and 30​

Answer 1

Answer:

first write factors of all...

10=2*5

20=2*2*5

30=2*3*5

as we can see 2 and 5 are common in alll...

therefore 2*5=10....so    10 is HCF of 10,20 and 30...

MARK   IT  AS BRAINLIEST IF YOU THINK   SO...

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Answer 2

Answer:

Step-by-step explanation:

2/10                

2/5                                   =10:2*2*5

5/5                                    =20:2*2*5

1                                          =30:2*3*5

2/20

2/10                                  HCF=2*5

2/5                                           =10

5/5

1

2/30

3/15

5/5

1