In a meeting between two countries, each country has 12 delegates. All the delegates of one country shake hands with all delegates of the other country. Find the number of handshakes possible ? By Editor No Comment Answer : B . 144
In how many ways, the letters of the word ‘BANKING’ can be arranged ? By Editor No Comment Answer : D. 2520
In how many different ways, can the letters of the word ‘INHALE’ be arranged ? By Editor No Comment Answer : A. 720