challenge: What was the approximate composition of the population of Ratzen Stadt (Novi Sad) in 1720?
  
  A. 50 Serbian, 30 German, and 20 Hungarian houses
  B. 112 Serbian, 14 German, and 5 Hungarian houses
  C. 100 Serbian, 20 German, and 10 Hungarian houses
  D. 200 Serbian, 50 German, and 25 Hungarian houses
  Answer: 