For the following questions answer them individually
Name the Indian ruler of Harkanya dynasty who was the son of Ajatashatru and who laid the foundation of the city of Pataliputra.
Centripetal force 'F' required for circular motion of an object of mass 'm' movingin circle of radius 'r' at a tangential velocity 'v' is equal to ..........
Fundamental duties in the Indian constitution are borrowed from the constitution of .............
The Union Budget 2018 announced that Operation Green will be launched for agriculture with a corpus of ............