Question

find the hcf of given pairs using listening mehod 8 and 20
10 and 25
18 and 27
24 and 30​

Answer 1

Answer:

HCF Pairs:

10 and 25

==> 10 = 1 × 2 × 5

==> 25 = 1 × 5 × 5

HCF = 5

18 and 27

==> 18 = 1 × 2 × 3 × 3

==> 27 = 1 × 3 × 3 × 3

HCF = 1 × 3 × 3 = 9

24 and 30

==> 10 = 1 × 2 × 2 × 2 × 3

==> 25 = 1 × 2 × 3 × 5

HCF = 1 × 2 × 3 = 6