Solution: We know that a number is divisible by 11 if the difference of the sum of alternate digits is 0 or a multiple of 11. Therefore, the smallest required number to make it divisible by 11 is 3. Therefore, the smallest required number to make it divisible by 11 is 2.
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Answer:
Solution: We know that a number is divisible by 11 if the difference of the sum of alternate digits is 0 or a multiple of 11. Therefore, the smallest required number to make it divisible by 11 is 3. Therefore, the smallest required number to make it divisible by 11 is 2.