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The difference between a number and the sum of its digits is always a multiple of

Option 1)
$6$
Option 2)
$9$
Option 3)
$11$
Option 4)
$5$
Option 5)
$15$

Answers (1)

best_answer

$Number= 10y+x$

$Sum\: of\: digits= X+y$

$Difference= 10y+x-x-y= 9y$

$Multiple\: of \: 9$

Posted by

rishi.raj

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