Find the last digit of
1!+2!+3!+4!+...............100!
Select:
A) 0  B) 1  C) 2  D) 3  E) 4
5! +6! .... = always unit digit o.   1!+2!+3!+4! = 33   so, 33 + *0 = *3   so the unit digit will be 3   ANSWER:3
<result>D</result>
Find the last digit of
1!+2!+3!+4!+...............100!