50^51^52 /11
Choose one
A) 6  B) 4  C) 7  D) 3  E) 5
We know that 6^1=6 or 6^2=36 so for all power of 6 unit digit is 6 now que is 50^51^52 now if we divide 50/11 then rem is 6 means 6^51=6 at unit place same for 6^52 salso give 6 at unit place now finally 50^51^52 gives 6 at unit place now 6/11=6   6NSWER:6
<result>A</result>
50^51^52 /11