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The total number of three-digit numbers, with one digit repeated exactly two times, is

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The total number of three-digit numbers, with one digit repeated exactly two times, is

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If 0 taken twice then ways = 9 

If 0 taken once then 9C2 x 2 = 18

If 0 not taken then 9C1 8C1.3 = 216

Total = 243

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