Class 11

Math

Algebra

Permutations and Combinations

The number of five digit numbers that can be formed with 0, 1, 2, 3, 5 so that no digit being repeated in any number is:

- $96$
- $120$
- $24$
- $58$

But the numbers which start with digit 0 are not valid

\therefore number of five digit numbers $=5!−4!=96$