In November 2017, Indian Government approved setting up of ‘Pradhan Mantri Mahila Shakti Kendras’. These will be set up in how many most backward districts of the country?
According to Article 75 of Indian Constitution, the ministers are collectively responsible to the Parliament in general and to the _____ in particular.
A boat goes 15 km upstream and 10 1/2 km down stream in 3 hrs 15 min. It goes 12 km upstream and 14 km downstream in 3 hrs. What is the speed of the boat in still water?