भारत की कुल जनसंख्या में बिहार की जनसंख्या का क्या प्रतिशत है ? - What is the percentage of the population of Bihar to the total population of India? - Bhaarat Ki Kul Jansankhya Me Bihar Ki Jansankhya Ka Kya Pratishat Hai ? Bihar Gk in hindi, Population 10.21 question answers in hindi pdf 8.97 questions in hindi, Know About 9.33 Bihar Gk online test Bihar Gk notes in hindi quiz book 8.6