What is the smallest no. which must be added to 53403977 so as to obtain a sum which is divisible by 11?
Choose one.
A) 5	B) 4	C) 0	D) 1	E) 2
For divisibility by 11, the difference of sums of digits at even and odd places must be either zero or divisible by 11.   For 53403977 , Difference =(5+4+3+7) -(3+0+9+7)=19-19= 
<gadget id="calculator">19-19</gadget>
<output>0</output>
0.=&gt; 53403977 is also divisible by 11   0
<result>C</result>
What is the smallest no. which must be added to 53403977 so as to obtain a sum which is divisible by 11?