Divisibillity rules

From the previous statement, we can conclude that the answer is a. If the number is divisible by 6, then it is divisible by 2 & 3. Letter b. If the number is not divisible by 2 and 3, then it is not divisible by 6, can also be considered as a correct answer. The statement implies that there is an if-and only-if condition

Common divisibility rules

2 - an even number

2 - an even number3 - summation of the digits is divisible by 3

2 - an even number3 - summation of the digits is divisible by 34 - last two digits to the left are divisible by 4

Steps in division

1. Divide

2. Multiply

3. Subtract

4. Write the next digit

Hope it Help's.