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MHT CET20226 Aug 2022Morning ShiftMathematicsPermutation and CombinationActual

The number of different 9 digit number that can be formed, from the digits of the number 445577888 by rearranging its digits, so that the odd digits occupy even positions, are

Options

  1. A120
  2. B60
  3. C180
  4. D36

Correct answer

B. 60

Step-by-step solution

ways and remaing five even digits 4,4,8,8,8 can be arranged in 5 places in 5 2 3 Hence total no of ways = 4 2 L 2 5 2 2 3 =6 10=60

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