A) Helps maintain gastric acidity
B) Acts as principal intracellular electrolyte
C) Acts as principal intracellular electrolyte
D) All of the above
In a G – 20 meeting there were total 20 people representing their own country. All the representative sat around a circular table. Find the number of ways in which we can arrange them around a circular table so that there is exactly one person between two representatives namely Manmohan and Musharraf.