Find the number of Zeros in: (1)^1 x (2)^2 x (3)^3 x (4)^4 x ......(99)^99 x (100)^100
Pick.
A) 1200 B) 1300 C) 1400 D) 1500 E) None of these
Explanation :   Consider number of 5's only.   (5+10+15+20+50+30+35+40+45+100+55+60+65+70+75+150+80+85+90+95+200)   =1300   Answer : 1300
<result>B</result>
Find the number of Zeros in: (1)^1 x (2)^2 x (3)^3 x (4)^4 x ......(99)^99 x (100)^100