A person distributed Rs. 2,500 among three friends B, C, and D such that B received 40% of the total amount, C received 60% of the remaining amount, and the rest was received by D. What is the share of D?

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?