Question

Please fill in the blanks :-

Answer 1

number 9 is the answer

as

1 + 5 + 9 is equal to 15 which is vertically
and
4 + 9 + 2 is equal to 15 which is horizontally

Answer 2

Answer will be 9 as in each box counts 15 so , for making this box addition as 15 we have to add 9

Hope it is helpful to you