Math, asked by PragyaTbia, 1 year ago

How many 4 digit numbers not exceeding 4321 can be formed with the digits 1, 2, 3, 4 if the repetition of digits in a number is not allowed?

Answers

Answered by rachitrajbth

19 numbers can be formed with digits 1234
-1243
1324
1234
1342
1423

2143
2134
2431
2341
2314

3214
3124
3412
3142
3421

4213
4231
4312
4132.

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