Test of divisibility by 6:
Ex-Check whether 7953 is divisible by 6 or not?
As per the rule, its ones place is 3, so it is not divisible
by 2.
Sum of digits = 7+9+5+3=24, so it is divisible by 3.
It is not divisible by 2 but divisible by 3.
Hence, the number is not divisible by 6.