Write the smallest and greatest digit in the blank space so that the number formed is divisible by 11 13_50
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Sum of odd digits =8+9+8=25
Sum of even digits = blank space +4+4= blank space +8
Number is divisible by 11 if the difference between the sum of the digits at odd places and the sum of the digits at even places is divisible by 11.
If we make sum of even digits = 14 then we will have difference =25−14=11 which is divisible by 11.
To make sum of even digits =14, number at black space would be 6. with the help of this example u can write ur answer
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