What is the least whole number that should be added to 625573 if it is to be divisible by 3?	Choose the most appropriate option:
A) 6  B) 1  C) 4  D) 3  E) 2
A number is divisible by 3 if the sum of the digits is divisible by 3..   Here, 6+2+5+5+7+3=28, the next multiple of 3 is 30.   2 must be added to 625574 to make it divisible by 3   2
<result>E</result>
What is the least whole number that should be added to 625573 if it is to be divisible by 3?