Preliminary exam CSAT November 03, 2024

1. Three flags, each of different colour, are available for a military exercise. Using these flags, different codes can be generated by waving

(i) Single flag of different colours, or

(ii) Any two flags in a different sequence of colours, or

(iii) Three flags in a different sequence of colour The maximum number of codes that can be generated is

(UPSC Prelims 2003 - Mental ability)