three digit numbers are formed using digits 1,2,3 without repeating them. sum of all such numbers is?
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Lets try to the numbers.
123, 132, 213, 231, 321, 312. These are the 3-digit numbers that are formed without repeating any of the digits.
Sum of the numbers = 1332
Hope it helps
Swarup1998:
Great answer! (:
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