Question : If a 10-digit number
Option 1: 8
Option 2: 7
Option 3: 11
Option 4: 10
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Correct Answer: 10
Solution :
Given number =
Co-prime factors of
For the smallest possible value of
So,
As
Sum of even places in number
Sum of odd places in number
For divisibility rule 11: The difference between the sum of digits at odd places and the sum of digits at even places is equal to zero or a multiple of 11.
AT
Hence, the correct answer is 10.
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