pplo6277 pplo6277

30-06-2017
Mathematics

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

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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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