Question

Go Which greatest digit should replace
@ so that the number 778 @09
is divisible by 31​

Answer 1

Answer:

DIVISIBILITY FOR 3

If the sum of the numbers is divisible by 3 then the whole number will be divisible by 3.

7+7+8+m+0+9 = 31

31 is not divisible by 3. 33 is be number which is divisible by 3.

m = 31+ 2

m= 2

HOPE IT HELPS

Answer 2

Answer:

given number is not correct if given no. is 778999 then it is divisible by 31