Good cls All questions are vry interesting. within seconds sir found all answr how can do this so quickly? A simple method to findout ratio of work👇 Interchange the days of work

E.g. in 7th question days of A and B =15 and 10 respectively Their ratio = 10:15 A's money= 10/25×30000= 12000 Or 2/5×30000= 12000 😊