Question

hloo.. can anyone solve this??​

Answer 1

Answer:

Hey mate here's your answer:::

12.

Step-by-step explanation:

72 and 99

==> 7+2+9+9 = 27...

Then, 27 and 45

==> 2+7+4+5 = 18 ...

Then, 18 and 39

==> 1+8+3+9 = 21...

Then, 21 and 36

==> 2+1+3+6 = 12...............Answer..

Then, 12 and 28

==> 1+2+2+8= 13

Then, 13 and 21

==> 1+3+2+1 = 7

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