Five digit number divisible by 3 is formed using 0, 1, 2, 3, 4, 6 and 7 without repetition. Total number of…

Five digit number divisible by 3 is formed using 0, 1, 2, 3, 4, 6 and 7 without repetition. Total number of such numbers are
  1. 312
  2. 3125
  3. 120
  4. 216

Solution

Required numbers are $5 !+5 !-4 !=216$

Asked in: JEE Main 2002

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