Rajdhani express moving from Delhi to Bombay stops at 9 intermediate stations. 6 passengers enter the train during the journey holding 6 different tickets of the same class…how many different sets of the tickets are possible…???
Rajdhani express moving from Delhi to Bombay stops at 9 intermediate stations. 6 passengers enter the train during the journey holding 6 different tickets of the same class…how many different sets of the tickets are possible…???