There is an N digit number (N > 1) If the sum of digit is subtracted from the number then the resulting number will be divisible by

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Solution

The correct option is D 9
Let n=3
$\Rightarrow (100 x + 10 y + z) - (x + y + z)$
$\Rightarrow 99 x + 9 y = 9 (11 x + y)$
Hence the resulting number will be divisible by 9

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There is an N digit number (N > 1) If the sum of digit is subtracted from the number then the resulting number will be divisible by

The correct option is D 9Let n=3⇒(100x+10y+z)−(x+y+z)⇒99x+9y=9(11x+y)Hence the resulting number will be divisible by 9

The correct option is D 9
Let n=3
$\Rightarrow (100 x + 10 y + z) - (x + y + z)$
$\Rightarrow 99 x + 9 y = 9 (11 x + y)$
Hence the resulting number will be divisible by 9