Math, asked by anmolsharma31, 1 year ago

How many 3 digits no. can be formed by using the digits 1 to 9 if no digit repeated

Answers

Answered by kavyahn

0

3
that are 123,456,789

anmolsharma31: that's wrong

bilqees: then what about mine?

bilqees: is mine correct

anmolsharma31: sorry but it's wrong

bilqees: then whats the answer many three digit number can be formed

anmolsharma31: this is a question of permutation

Answered by bilqees

0

123, 124, 125, 126, 127, 128, 129, 132, 134, 135,136,137,138,139,142,143,145,
basically infinite

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