Given digits 2, 2, 3, 3, 3, 4, 4, 4, 4 how much distinct 4 digit numbers greater than 3000 can be formed ? (A) 50 (B) 51 (C) 52 (D) 54
D)54the number should be more than 3000 hence it should be 3or4 at the startthat leaves 8 behind then by using 8C4 we get 54 as the ans
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