The correct option is A 96345
A number is divisible by 5 if its last digit is either 0 or 5.
Hence, 96347 and 96344 are not divisible by 5.
A number is divisible by 3 if the sum of its digits is divisible by 3.
The sum of digits for 96345 is 27 which is divisible by 3.
The sum of digits for 96355 is 28 which is not divisible by 3.
Hence, 96345 is divisible by both 3 and 5.