Question

The smallest 1-digit number to be added to the 6-digit number 405437 so that it is completely divisible by 11 is:

• A. 1
• B. 2
• C. 4
• D. 3

Answer 1

Answer:

A. 1

divisibility of 11 is the sum of alternative position should be equal

$405437$

$4+5+3=0+4+7$

$12\ne11$ $

smallest number is 1