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Explanation :
Possible three digit numbers using 0, 5, 9 only once are: 509, 590, 905, 950.
To do: Find possible three digit number using 0,5,9
Answer:
We can also make numbers like 059 and 095 apart from the given numbers 509, 590, 905, 950 using given numbers 0, 5, and 9 only once.
We have made these numbers by arranging the given three digits in different positions. The numbers 059 and 095 are not counted as three-digit numbers as they start with zero. 059 is the same as 59 and 095 is the same as 95. These are two-digit numbers, therefore and so they have not been considered.
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