UPSC CSAT 2023 - Ratio of a number to sum of digit

Описание к видео UPSC CSAT 2023 - Ratio of a number to sum of digit

D is a 3-digit number such that the ratio of the number to the sum of its digits is least. What is the difference between the digit at the hundred’s place and the digit at the unit’s place of D?
(a) 0
(b) 7
(c) 8
(d) 9

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