Question Detail Approximately how many Galaxies are there ? 10 Billion Galaxies 100 Billion Galaxies 1000 Billion Galaxies 10000 Billion Galaxies Answer: Option B Similar Questions : 1. The proportion of Hydrogen to Helium in the Sun is ? 3:23:11:13:4 Answer: Option B 2. "Nagarjuna Sagar Multipurpose Project" is on which river ? GodavariTapiKosiKrishna Answer: Option DExplanation:"Nagarjuna Sagar Multipurpose Project" is on Krishna river in Andhra Pradesh. 3. Thickness of Mantle Layer is about ? 2900 Km3100 Km3300 Km3500 Km Answer: Option AExplanation:Mantel Layer is below the Crust layer of earth. 4. Which National highway joins Delhi to Lucknow ? NH 22NH 24NH 47NH 48 Answer: Option B 5. The central water Tribunal was established in India in ? 1887188818891890 Answer: Option A Read more from - Geography Questions Answers