(UPSC CSAT – 2023)
- 0
- 7
- 8
- 9
Solution: Ans.(3)
199/(1+9+9) = Least, D = 199
Difference between the digit at the hundred’s place and the digit at the unit’s place = 9 – 1 = 8
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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?
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