Question

largest 7 digit number divisible by 16

Answer 1

9999984 is the answer because when we check the answer with divisibility of 16 the answer comes.

Divisibility of 16
We must have to divide the last 4 digits by 16. and if it is divisible by 16 then any given big number is divisible by 16.This the rule. So, Lets check

9999984
Let's take the last four numbers
9984 divided by 16 = 624
It is divisible with 16

Answer 2

smallest 8 digit number is 10000000
10000000 is divisible by 16
and so if we subtract 16 from 10000000 we get 9999984 which is divisible by 16.
largest 7 digit number divisible by 16 is 9999984
9999984/16=624999