How-many-integers-between-999-and-4000-both-are-included-can-be-formed-using-digits-0-1-2-3-4-if-repetition-of-digits-is-allowed-

Question Number 130034 by EDWIN88 last updated on 22/Jan/21

How many integers between 999 and 4000

(both are included) can be formed using

digits 0, 1, 2, 3, 4 if repetition of digits is

allowed ?

Answered by liberty last updated on 22/Jan/21

case (1) 1 xyz = 5^{3} numbers = 125 numbers

(2) 2 xyz = 125 numbers

(3) 3 xyz = 125 numbers

(4) 4000 = 1 number

totally = 376 numbers

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