pplo6277 pplo6277
  • 30-06-2017
  • Mathematics
contestada

How many different numbers can be formed by various arrangements of the digits 1, 1, 1, 1, 2, 3?

Respuesta :

rahul11
rahul11 rahul11
  • 30-06-2017
20 combinations ; find this by 6C3; or
6!/((6-3)!*3!); 6 is the total number of digits and 3 is the number of digits excluding the repeating ones
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