The smallest 1-digit number to be added to the 6-digit number 348510 so that it is completely divisible by 11 is:
Given:
The number 348510 to be divisible by 11
Concept Used:
Divisibility rule of 11 - (the sum of odd digits - sum of even digits) = 0 or multiple of 11.
Solution:
Checking for given numbers:
(4+5+0) -( 3+8+1) = 9 - 12 = -3
For the difference to be divisible by 11 the number should be more by 3
Hence the number is 348513
Hence, smallest one digit number can only be 3 so that number is divisible by 11
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