If 21y5 is a multiple of 9 ,where is y is a digit – InterviewSolution

1.	If 21y5 is a multiple of 9 ,where is y is a digit
Answer» LITY RULE OF 9=SUM OF ALL DIGITS MUST BE DIVISIBLE By 9\ITS SUM=2+1+5=8NEXT DIGIT DIVISIBLE BY 9=98+Y=9Y=1

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