Question
If P7 13 is divisible by 11, find the value of the
smallest natural number P.Solution
P7 13 ATO- Take the value of P =9 (9+1) -(7+3) =0 According to the divisibility rule of 11. the given number can only be completely divided by 11 if the difference of the sum of digits at odd position and sum of digits at even position in a number is 0 or 11 .
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