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JEE Main20209 Jan 2020Morning ShiftMathematicsPermutation and CombinationActual

If the number of five digit numbers with distinct digits and 2 at the 10 t h place is 336 k , then k is equal to:

Options

  1. A4
  2. B6
  3. C7
  4. D8

Correct answer

D. 8

Step-by-step solution

2 Total Number of numbers = 8 × 8 × 7 × 6 = 2688 = 336 k ⇒ k = 8

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