The number 311311311311311311311 is:	Choose one:
A) divisible by 3 but not by 11 B) divisible by 11 but not by3 C) divisible by both 3 and 11 D) neither divisible by 3 nor by 11. E) none of these
Sum of digits= 35 and so it is not divisible by 3.   (Sum of digits at odd places)- (Sum of digits at even places)= 19-16= 
<gadget id="calculator">19-16</gadget>
<output>3</output>
3, not divisible by 11.   So, the given number is neither divided by 3 nor by 11.   ANSWER:neither divisible by 3 nor by 11.
<result>D</result>
The number 311311311311311311311 is: