The number of all four digit numbers which do not have four distinct digits is

The number of all four digit numbers which do not have four distinct digits is
  1. $4464$
  2. $4848$
  3. $4355$
  4. $4454$

Solution

No solution. Refer to answer key.

Asked in: AP EAMCET 2017 (25 Apr Shift 2)

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