How-many-of-the-number-formed-by-using-all-the-digits-1-2-3-4-5-6-only-once-divisible-by-25-

Question Number 155816 by cortano last updated on 05/Oct/21

How many of the number formed

by using all the digits 1, 2, 3, 4, 5, 6

only once divisible by 25 .

Answered by talminator2856791 last updated on 05/Oct/21

4! = 24

Commented by prakash jain last updated on 05/Oct/21

Should subtract numbers divisble

by 625 from 24 .

Commented by Rasheed.Sindhi last updated on 05/Oct/21

S h o u l d a l s o s u b t r a c t n u m b e r s d i v i s i b l e

b y 25^{3} a n d p e r h a p s b y 25^{4} \dots