Rahul's phone storage was filled with unnecessary data. He deleted 30% of the data, and later deleted another 10% of the remaining data. If the final amount of data left is 63 GB, what was the original amount of data in his phone?

In a town with 30,000 professionals, teachers make up 11% of the total professionals. If 46% of teachers are male, what is the number of female teachers in the town?

In a town's professional breakdown, doctors represent 18% and clerks represent 8% of the total professionals. If the number of doctors is 3000 greater than the number of clerks, what is the total number of professionals in the town?