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Suppose 4 digits 2 ,4,6 and 9 are given. You have to make a four-digit number. In how many ways it can be done..........

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Suppose 4 digits 2 ,4,6 and 9 are given.
You have to make a four-digit number.
In how many ways it can be done, if repetition of the numbers does not allowed?

posted Sep 22, 2021 by Atif

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