Answer:

1 -> All numbers are divisible by 1

2 -> The numbers ending with 2,4,6,8,0

3 -> If the sum of the digits is divisible by 3 then the NUMBER is divisible by 3

4 -> If last 2 digits are divisible by 4 then the number is divisible by 4

5 -> If the number ends with 5 or 0 then the number is divisible by 5

6 -> If the number is divisible by both 2 and 3 then  the number is divisible by 6

7 -> If the difference of the double of last digit and the number formed by the remaining digits is divisible by 7 then  the number is divisible by 7

8 -> If the last 3 digits are divisible by 8 then the number is divisible by 8

9 -> If the sum of the digits is divisible by 9 then  the number is divisible by 9

10 -> If the number ends with 0 then the number is divisible by 10

11 -> If the difference of the sum of digits at even places and odd places is divisible by 11 then  the number is divisible by 11

12 -> If the number is divisible by both 3 and 4 then the number is divisible by 12

Step-by-step explanation: