The ratio of the number of Rs. 5, Rs. 10, Rs. 15 and Rs. 20 tickets sold at the station P was 14: 6: 8: 29, respectively. Find the number of Rs. 5 tickets sold at the station A.

How many passengers were on the train between station B and station C?

The per person average weight of the passengers travelling in the train from station A to station B was 35 kg and the resultant weight of the train (including the passengers) was 200 ton then find the weight of the train only. (1 ton = 1000 kg)

Find the total amount collected at the station B on selling all the tickets.

How many people had exactly two of the three items?

If 20 people had only cold drink and ice-cream, then how many people had only cake?  

If 15 people who had only cold drink, had cake also and 5 people who had only ice-cream and cake had cold drink also, then how many people had at least two of the three items?

If 30 people had only ice-cream, then how many people had at least one of cake or cold drink but not ice-cream?

What is the maximum possible number of people who had only cold drink?