Question

Four digit numbers are formed using only the digits 2, 3, 4, 6, 7, 8, 9. If repetitions are not permitted how many 4-digit numbers can be formed if the number has to be less than 7000?

Answer 1

Ans is needed to be less than 7000.

And we have to use digits 2, 3, 4, 5, 6, 7, 8, and 9.

Repetition is not permitted.

So, the number will be 6285.

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