In the movie '3 Idiots', how many main characters are there whose friendship is central to the plot?

If a movie ticket costs ₹150, and a family of 4 goes to watch 'Sholay', what is the total cost of the tickets in ₹?

In the movie 'Dilwale Dulhania Le Jayenge' (DDLJ), if Simran misses her train by 1 hour and the next train arrives every 3 hours, how long does she have to wait (in hours)?

A song in a Bollywood movie lasts for approximately 5 minutes. If there are 8 songs in the film, approximately how many minutes of the film are dedicated to songs?

If a movie theatre has 10 rows of seats, and each row has 20 seats, how many total seats are there in the theatre?