What is the units digit of (6!*4! + 6!*5!)/6? Choose the most appropriate option.
A) 1
B) 0
C) 2
D) 3
E) 4
(6!*4! + 6!*5!)/6   =6!(4! + 5!)/6   =720 ( 24 + 120)/6   =(720 * 144)/6   = 720 * 24   Units digit of the above product will be equal to 0   Answer 0
<result>B</result>
What is the units digit of (6!*4! + 6!*5!)/6?