23. The radian of a number system A.Is variable B.Has nothing to do with digit position value C.Equals the number of its distinct counting digits D.Is always an even number E.None of the above
Option C Solution: The radian of a number system equals the number of its distinct counting digits. For example suppose we have a no 155, the number have two distinct digit i.e. 1 and 5 so the radian of the number is two.