In an election between two candidates P and Q, P got 78% of the total valid votes. If the total number of voters in the electorate was 75,60,000, what was the number of valid votes that Q got, given that 10% of the voters did not cast their votes and 15% of the polled votes were declared invalid?

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?