Question

please help me it is so hard

Answer 1

3)-
if the sum of digit's of any number is divisible by 9 then the whole number is also divisible by 9 now here sum of digit's of the number=4+5+6+p+8=23+p,. so now to make it divisible by 9 we have to take p as 4 so that sum of the digit's became 27 which is exactly divisible by 9,
so the value of p will be 4

4)-
unit place digit will be 8,

5)-
unit place digit will be 3,

6)-
unit place digit will be 6,

7)-
unit place digit will be 4