Question

7 digit largest digit which divisible by 349

Answer 1

As 9999999 is the 7 digit largest number, on dividing it by 349 we get 102 as remainder so 9999999 - 102 = 9999897 is largest 7 digit number divisible by 349.
now if you are asking for the largest 7 digit number divisible by 349 that is 9999897.
but if you are asking for the largest digit of 7 digit number divible by 349 you answer would be 9.