Question

how many 3 digit no. is divisible by 9​

Answer 1

At last, 108 + 9×n will be equal to 999(as 999 is the largest 3-digit number divisible by 9). So, maximum 99 times you can add 9 with 108. Thus there are 99 three-digit natural numberafter 108 which are multiple of 9. Including 108 there are 99+1= 100number of 3-digit numbers which aredivisible by 9.

Answer 2

Refers to attachment ♡♡~