Questions

The primary purpose of an operating system is to make the most efficient use of the computer hardware.

An electric charge always flows from a body at higher potential to a body at a lower potential irrespective of the amounts of charges contained in them. In the question , no current flows. So there is no potential difference. 

It compiles and publishes atlases and maps on various themes of National importance. They are used for planning and research.

Rupess is the currency of our country and only govt has the authority to issue indian currency it has been signed by ministry of finance, all other notes are bearer notes which are signed by governor.

no interference by RBI.

RBI has the right to print currency notes in the country except coins & 1 Re note which are issued by Govt. Thus, it bears the sign of MoF.

The Mahabharata was translated into Persian at Akbar’s orders, by Faizi and 'Abd al-Qadir Bada' uni (c. 1540 – 1615) and named Razmnameh.

Geothermal energy is heat energy generated and stored in the Earth. Geothermal energy has been used for thousands of years in some countries for cooking and heating. It is simply power derived from the Earth's internal heat.