Question

We can also find the HCF of three numbers as follows:

Step-1: Find the HCF of a and b. Call this x.
Step-2: Find the HCF of x and c.
For example, let’s find the HCF of 24, 36 and 42. Complete the following:

Step-1: HCF(24, 36)=
Step-2: HCF(
, 42)=
Hence, HCF(24, 36, 42)=

Answer 1

Answer:

1. 12
2. 126

Hope you understand

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Answer 2

Answer:

Answer is 6

Step-by-step explanation:

we have to factories this numbers ( 24, 36, 42)

24= 2*2*2*3

36= 2*2*3*3

42=2*3*7

now take common digit from this number

as you can see 2 & 3 both common

now , we have to multiply both this number

2*3 = 6

thank you.