बिहार में दशकीय जनसंख्या वृद्धि (2001-2011) में कितना प्रतिशत है ? - What is the percentage of decadal population growth in Bihar (2001-2011)? - Bihar Me Dashkiya Jansankhya Vridhi (2001 - 2011) Me Kitna Pratishat Hai ? Bihar Gk in hindi, Population 23.42 question answers in hindi pdf 25.42 questions in hindi, Know About 22.12 Bihar Gk online test Bihar Gk notes in hindi quiz book 26.42