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AP EAMCET2002MathematicsPermutation and Combination

The number of 5-digited number which are not divisible by 5 and which consists of different odd digits is

Options

  1. A24
  2. B32
  3. C96
  4. D120

Correct answer

C. 96

Step-by-step solution

The numbers are formed from the digits 1,3,5,7,9 Total no. of five digits =5 ! Total no. of five digits divisible by 5=4 ! Required number of ways =5 !-4 !=4.24=96

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