What is the smallest no. which must be added to 27452 so as to obtain a sum which is divisible by 9?  Choose the correct answer.
A) 7 B) 2 C) 9 D) 4 E) 6
For 27452 , 2+7+4+5+2=20.   7 must be added to 27452 to make it divisible by 9.   Now , 2+7+4+5+9=27 =&gt; 27 is a multiple of 9 and hence 27452 is also divisible by 9   7
<result>A</result>
What is the smallest no. which must be added to 27452 so as to obtain a sum which is divisible by 9?