The correct options are
A 3
B 6
C 2
(1567 x 1568 x 1569) are three consecutive numbers.
In product of any three consecutive numbers, one number is the multiple of 3. Hence, product of three consecutive is always divisible by 3.
1568 is an even number.
A number is divisible by 2 if the digit at unit place is either 0 or multiple of 2.
A number is divisible by 6 if it is divisible by both 2 and 3.