3 Answers
3283 views(9*9*8*7*6) this is because this can happen in two different ways. First by choosing from 9 digits 5 and then in how many ways one can arrange 0 if it must not start.
i.e P(9,5) * 9.
2 Answers
1331 views1 Answer
1075 views3 Answers
1044 views1 Answer
940 views1 Answer
748 views3 Answers
742 views1 Answer
527 views2 Answers
509 views1 Answer
509 views1 Answer
496 views1 Answer
437 views5 Answers
416 views1 Answer
402 views